./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:19:18,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:19:18,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:19:18,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:19:18,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:19:18,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:19:18,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:19:18,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:19:18,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:19:18,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:19:18,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:19:18,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:19:18,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:19:18,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:19:18,792 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:19:18,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:19:18,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:19:18,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:19:18,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:19:18,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:19:18,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:19:18,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:19:18,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:19:18,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:19:18,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:19:18,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:19:18,794 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:19:18,794 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:19:18,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:19:18,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:19:18,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:19:18,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:19:18,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:18,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:19:18,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:19:18,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:19:18,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:19:18,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:18,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:19:18,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:19:18,795 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:19:18,796 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB 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 ! call(reach_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 -> 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf [2024-11-28 05:19:19,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:19:19,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:19:19,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:19:19,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:19:19,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:19:19,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-pthread/cs_queue-1.i [2024-11-28 05:19:22,257 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/data/5e8f36046/33421e4d2817451e8665d8ac4126101e/FLAG65968a34f [2024-11-28 05:19:22,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:19:22,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/sv-benchmarks/c/seq-pthread/cs_queue-1.i [2024-11-28 05:19:22,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/data/5e8f36046/33421e4d2817451e8665d8ac4126101e/FLAG65968a34f [2024-11-28 05:19:22,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/data/5e8f36046/33421e4d2817451e8665d8ac4126101e [2024-11-28 05:19:22,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:19:22,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:19:22,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:22,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:19:22,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:19:22,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:22" (1/1) ... [2024-11-28 05:19:22,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7194c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:22, skipping insertion in model container [2024-11-28 05:19:22,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:22" (1/1) ... [2024-11-28 05:19:22,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:19:23,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/sv-benchmarks/c/seq-pthread/cs_queue-1.i[34744,34757] [2024-11-28 05:19:23,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:19:23,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:19:23,568 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/sv-benchmarks/c/seq-pthread/cs_queue-1.i[34744,34757] [2024-11-28 05:19:23,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:19:23,782 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:19:23,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23 WrapperNode [2024-11-28 05:19:23,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:23,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:19:23,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:19:23,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:19:23,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:23,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:23,981 INFO L138 Inliner]: procedures = 251, calls = 629, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 1411 [2024-11-28 05:19:23,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:19:23,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:19:23,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:19:23,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:19:23,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:23,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,063 INFO L175 MemorySlicer]: Split 397 memory accesses to 20 slices as follows [2, 3, 8, 3, 8, 8, 20, 12, 8, 82, 113, 8, 3, 8, 7, 0, 7, 41, 6, 50]. 28 percent of accesses are in the largest equivalence class. The 117 initializations are split as follows [2, 0, 3, 0, 3, 3, 6, 6, 2, 40, 46, 2, 0, 2, 0, 0, 0, 0, 2, 0]. The 94 writes are split as follows [0, 1, 2, 1, 2, 2, 8, 3, 3, 21, 33, 4, 1, 4, 1, 0, 1, 1, 2, 4]. [2024-11-28 05:19:24,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,110 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:19:24,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:19:24,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:19:24,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:19:24,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (1/1) ... [2024-11-28 05:19:24,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:24,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:24,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:19:24,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:19:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:19:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:19:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:19:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2024-11-28 05:19:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2024-11-28 05:19:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 05:19:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 05:19:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2024-11-28 05:19:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:19:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:19:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:19:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:19:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 05:19:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 05:19:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:19:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:19:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:19:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:19:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 05:19:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 05:19:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 05:19:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:19:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:19:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:19:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:19:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:19:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:19:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:19:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 05:19:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 05:19:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-28 05:19:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-28 05:19:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-28 05:19:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-28 05:19:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:19:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 05:19:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:19:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:19:24,743 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:19:24,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:19:24,860 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:24,860 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:24,860 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2024-11-28 05:19:24,860 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2024-11-28 05:19:25,723 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093: SUMMARY for call __CS_cs(); srcloc: null [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129: SUMMARY for call __CS_cs(); srcloc: null [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,724 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);dequeue_#res#1 := 0; [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);enqueue_#res#1 := 0; [2024-11-28 05:19:25,725 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,726 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##169: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,726 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##168: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t1_#res#1.base, t1_#res#1.offset := 0, 0; [2024-11-28 05:19:25,726 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-28 05:19:25,730 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-28 05:19:30,882 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-28 05:19:30,882 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:19:30,902 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:19:30,903 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 05:19:30,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:30 BoogieIcfgContainer [2024-11-28 05:19:30,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:19:30,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:19:30,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:19:30,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:19:30,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:19:22" (1/3) ... [2024-11-28 05:19:30,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4884f838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:19:30, skipping insertion in model container [2024-11-28 05:19:30,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:23" (2/3) ... [2024-11-28 05:19:30,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4884f838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:19:30, skipping insertion in model container [2024-11-28 05:19:30,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:30" (3/3) ... [2024-11-28 05:19:30,915 INFO L128 eAbstractionObserver]: Analyzing ICFG cs_queue-1.i [2024-11-28 05:19:30,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:19:30,936 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cs_queue-1.i that has 10 procedures, 345 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-28 05:19:31,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:19:31,050 INFO L333 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, 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;@2d9bc3c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:19:31,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:19:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 345 states, 202 states have (on average 1.4752475247524752) internal successors, (298), 204 states have internal predecessors, (298), 132 states have call successors, (132), 9 states have call predecessors, (132), 9 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-28 05:19:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-28 05:19:31,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:31,105 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:31,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:31,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:31,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1985814739, now seen corresponding path program 1 times [2024-11-28 05:19:31,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:31,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083196094] [2024-11-28 05:19:31,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:31,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-28 05:19:33,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:33,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083196094] [2024-11-28 05:19:33,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083196094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:33,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:33,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:19:33,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801158240] [2024-11-28 05:19:33,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:33,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:33,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:33,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:33,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:33,256 INFO L87 Difference]: Start difference. First operand has 345 states, 202 states have (on average 1.4752475247524752) internal successors, (298), 204 states have internal predecessors, (298), 132 states have call successors, (132), 9 states have call predecessors, (132), 9 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-28 05:19:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:33,529 INFO L93 Difference]: Finished difference Result 696 states and 1261 transitions. [2024-11-28 05:19:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:33,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 326 [2024-11-28 05:19:33,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:33,549 INFO L225 Difference]: With dead ends: 696 [2024-11-28 05:19:33,551 INFO L226 Difference]: Without dead ends: 349 [2024-11-28 05:19:33,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:33,566 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 13 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:33,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1081 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:19:33,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-28 05:19:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 339. [2024-11-28 05:19:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 198 states have (on average 1.4343434343434343) internal successors, (284), 200 states have internal predecessors, (284), 131 states have call successors, (131), 9 states have call predecessors, (131), 9 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-28 05:19:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 545 transitions. [2024-11-28 05:19:33,695 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 545 transitions. Word has length 326 [2024-11-28 05:19:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:33,696 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 545 transitions. [2024-11-28 05:19:33,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-28 05:19:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 545 transitions. [2024-11-28 05:19:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-28 05:19:33,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:33,713 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:33,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:19:33,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:33,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2595671, now seen corresponding path program 1 times [2024-11-28 05:19:33,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:33,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214923447] [2024-11-28 05:19:33,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5305 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-28 05:19:35,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:35,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214923447] [2024-11-28 05:19:35,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214923447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:35,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:35,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:19:35,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840290034] [2024-11-28 05:19:35,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:35,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:35,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:35,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:35,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:35,050 INFO L87 Difference]: Start difference. First operand 339 states and 545 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-28 05:19:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:35,224 INFO L93 Difference]: Finished difference Result 681 states and 1096 transitions. [2024-11-28 05:19:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:35,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 334 [2024-11-28 05:19:35,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:35,233 INFO L225 Difference]: With dead ends: 681 [2024-11-28 05:19:35,235 INFO L226 Difference]: Without dead ends: 345 [2024-11-28 05:19:35,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:35,241 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 3 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:35,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1069 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:19:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-28 05:19:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 342. [2024-11-28 05:19:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 201 states have (on average 1.427860696517413) internal successors, (287), 203 states have internal predecessors, (287), 131 states have call successors, (131), 9 states have call predecessors, (131), 9 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-28 05:19:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 548 transitions. [2024-11-28 05:19:35,316 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 548 transitions. Word has length 334 [2024-11-28 05:19:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:35,316 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 548 transitions. [2024-11-28 05:19:35,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-28 05:19:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 548 transitions. [2024-11-28 05:19:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-28 05:19:35,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:35,331 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:35,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:19:35,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:35,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:35,336 INFO L85 PathProgramCache]: Analyzing trace with hash 96136853, now seen corresponding path program 1 times [2024-11-28 05:19:35,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:35,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659048691] [2024-11-28 05:19:35,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2024-11-28 05:19:36,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659048691] [2024-11-28 05:19:36,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659048691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838767694] [2024-11-28 05:19:36,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:36,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:36,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:36,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:36,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:19:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:38,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:19:38,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2024-11-28 05:19:38,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2024-11-28 05:19:39,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838767694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:19:39,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:19:39,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 05:19:39,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385289499] [2024-11-28 05:19:39,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:39,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:19:39,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:39,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:19:39,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:19:39,377 INFO L87 Difference]: Start difference. First operand 342 states and 548 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 1 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-28 05:19:39,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:39,638 INFO L93 Difference]: Finished difference Result 697 states and 1117 transitions. [2024-11-28 05:19:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:39,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 1 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 340 [2024-11-28 05:19:39,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:39,644 INFO L225 Difference]: With dead ends: 697 [2024-11-28 05:19:39,645 INFO L226 Difference]: Without dead ends: 358 [2024-11-28 05:19:39,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 677 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:19:39,649 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 24 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:39,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1068 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:19:39,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-28 05:19:39,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2024-11-28 05:19:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 215 states have (on average 1.4) internal successors, (301), 217 states have internal predecessors, (301), 131 states have call successors, (131), 9 states have call predecessors, (131), 9 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-28 05:19:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 562 transitions. [2024-11-28 05:19:39,693 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 562 transitions. Word has length 340 [2024-11-28 05:19:39,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:39,693 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 562 transitions. [2024-11-28 05:19:39,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 1 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-28 05:19:39,694 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 562 transitions. [2024-11-28 05:19:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-28 05:19:39,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:39,701 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:39,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:19:39,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:39,902 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1635364847, now seen corresponding path program 2 times [2024-11-28 05:19:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:39,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638657310] [2024-11-28 05:19:39,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:39,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:40,662 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:19:40,663 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:19:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5341 trivial. 0 not checked. [2024-11-28 05:19:41,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:41,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638657310] [2024-11-28 05:19:41,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638657310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:41,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:41,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:41,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906228] [2024-11-28 05:19:41,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:41,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:19:41,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:41,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:19:41,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:19:41,379 INFO L87 Difference]: Start difference. First operand 356 states and 562 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-28 05:19:41,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:41,837 INFO L93 Difference]: Finished difference Result 684 states and 1096 transitions. [2024-11-28 05:19:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:19:41,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 354 [2024-11-28 05:19:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:41,853 INFO L225 Difference]: With dead ends: 684 [2024-11-28 05:19:41,854 INFO L226 Difference]: Without dead ends: 682 [2024-11-28 05:19:41,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:19:41,857 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 417 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:41,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 2174 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:19:41,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-28 05:19:41,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 679. [2024-11-28 05:19:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 398 states have (on average 1.4195979899497488) internal successors, (565), 401 states have internal predecessors, (565), 261 states have call successors, (261), 19 states have call predecessors, (261), 19 states have return successors, (266), 260 states have call predecessors, (266), 259 states have call successors, (266) [2024-11-28 05:19:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1092 transitions. [2024-11-28 05:19:41,989 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1092 transitions. Word has length 354 [2024-11-28 05:19:41,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:41,992 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 1092 transitions. [2024-11-28 05:19:41,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-28 05:19:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1092 transitions. [2024-11-28 05:19:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-28 05:19:42,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:42,008 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:42,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:19:42,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:42,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:42,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1925923600, now seen corresponding path program 1 times [2024-11-28 05:19:42,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:42,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841012595] [2024-11-28 05:19:42,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:42,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5340 trivial. 0 not checked. [2024-11-28 05:19:43,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:43,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841012595] [2024-11-28 05:19:43,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841012595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:43,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432500386] [2024-11-28 05:19:43,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:43,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:43,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:43,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:19:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:44,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:19:44,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:45,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 5326 trivial. 0 not checked. [2024-11-28 05:19:45,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 5324 trivial. 0 not checked. [2024-11-28 05:19:46,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432500386] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:19:46,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:19:46,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2024-11-28 05:19:46,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524351840] [2024-11-28 05:19:46,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:46,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:19:46,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:46,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:19:46,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:19:46,193 INFO L87 Difference]: Start difference. First operand 679 states and 1092 transitions. Second operand has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 1 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2024-11-28 05:19:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:47,740 INFO L93 Difference]: Finished difference Result 1435 states and 2291 transitions. [2024-11-28 05:19:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:19:47,740 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 1 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) Word has length 359 [2024-11-28 05:19:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:47,748 INFO L225 Difference]: With dead ends: 1435 [2024-11-28 05:19:47,749 INFO L226 Difference]: Without dead ends: 759 [2024-11-28 05:19:47,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=396, Invalid=726, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 05:19:47,754 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 108 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 3711 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:47,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 3711 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:19:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-28 05:19:47,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 759. [2024-11-28 05:19:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 478 states have (on average 1.3556485355648535) internal successors, (648), 481 states have internal predecessors, (648), 261 states have call successors, (261), 19 states have call predecessors, (261), 19 states have return successors, (266), 260 states have call predecessors, (266), 259 states have call successors, (266) [2024-11-28 05:19:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1175 transitions. [2024-11-28 05:19:47,842 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1175 transitions. Word has length 359 [2024-11-28 05:19:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:47,844 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1175 transitions. [2024-11-28 05:19:47,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 1 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2024-11-28 05:19:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1175 transitions. [2024-11-28 05:19:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-11-28 05:19:47,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:47,861 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 20, 20, 20, 20, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:47,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:19:48,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:48,062 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:48,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:48,063 INFO L85 PathProgramCache]: Analyzing trace with hash 3308138, now seen corresponding path program 2 times [2024-11-28 05:19:48,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:48,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027948202] [2024-11-28 05:19:48,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:48,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:48,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:19:48,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:19:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6198 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6197 trivial. 0 not checked. [2024-11-28 05:19:49,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:49,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027948202] [2024-11-28 05:19:49,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027948202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:49,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:49,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:19:49,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783578065] [2024-11-28 05:19:49,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:49,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:49,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:49,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:49,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:49,430 INFO L87 Difference]: Start difference. First operand 759 states and 1175 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-28 05:19:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:49,506 INFO L93 Difference]: Finished difference Result 1373 states and 2183 transitions. [2024-11-28 05:19:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:49,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 439 [2024-11-28 05:19:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:49,510 INFO L225 Difference]: With dead ends: 1373 [2024-11-28 05:19:49,510 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:19:49,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:49,518 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 0 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:49,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1048 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:19:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:19:49,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:19:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-28 05:19:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:19:49,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 439 [2024-11-28 05:19:49,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:49,523 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:19:49,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-28 05:19:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:19:49,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:19:49,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:19:49,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:19:49,532 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-11-28 05:19:49,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:19:53,964 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:19:53,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:19:53 BoogieIcfgContainer [2024-11-28 05:19:53,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:19:53,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:19:53,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:19:53,988 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:19:53,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:30" (3/4) ... [2024-11-28 05:19:53,991 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:19:54,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2024-11-28 05:19:54,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_lock [2024-11-28 05:19:54,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_unlock [2024-11-28 05:19:54,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-28 05:19:54,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2024-11-28 05:19:54,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 05:19:54,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 05:19:54,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2024-11-28 05:19:54,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure empty [2024-11-28 05:19:54,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2024-11-28 05:19:54,023 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-28 05:19:54,025 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 05:19:54,027 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 05:19:54,029 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:19:54,080 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((__CS_error_detail == 0) || (0 != \old(__CS_error_detail))) || (__ERR_MAXTHREADS_REACHED != 1)) [2024-11-28 05:19:54,083 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((__CS_error_detail == 0) || (0 != \old(__CS_error_detail))) || (__ERR_MAXTHREADS_REACHED != 1)) [2024-11-28 05:19:54,261 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((__CS_error_detail == 0) || (0 != \old(__CS_error_detail))) || (__ERR_MAXTHREADS_REACHED != 1)) [2024-11-28 05:19:54,263 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((__CS_error_detail == 0) || (0 != \old(__CS_error_detail))) || (__ERR_MAXTHREADS_REACHED != 1)) [2024-11-28 05:19:54,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:19:54,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:19:54,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:19:54,323 INFO L158 Benchmark]: Toolchain (without parser) took 31614.29ms. Allocated memory was 117.4MB in the beginning and 964.7MB in the end (delta: 847.2MB). Free memory was 91.7MB in the beginning and 901.3MB in the end (delta: -809.5MB). Peak memory consumption was 460.8MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,323 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:19:54,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.78ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 45.9MB in the end (delta: 45.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.76ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 85.4MB in the end (delta: -39.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,324 INFO L158 Benchmark]: Boogie Preprocessor took 198.50ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 72.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,324 INFO L158 Benchmark]: RCFGBuilder took 6720.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.1MB in the beginning and 216.6MB in the end (delta: -144.5MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,325 INFO L158 Benchmark]: TraceAbstraction took 23081.00ms. Allocated memory was 352.3MB in the beginning and 763.4MB in the end (delta: 411.0MB). Free memory was 216.0MB in the beginning and 285.4MB in the end (delta: -69.4MB). Peak memory consumption was 343.5MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,325 INFO L158 Benchmark]: Witness Printer took 333.16ms. Allocated memory was 763.4MB in the beginning and 964.7MB in the end (delta: 201.3MB). Free memory was 285.4MB in the beginning and 901.3MB in the end (delta: -615.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:19:54,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.78ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 45.9MB in the end (delta: 45.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.76ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 85.4MB in the end (delta: -39.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 198.50ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 72.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6720.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.1MB in the beginning and 216.6MB in the end (delta: -144.5MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * TraceAbstraction took 23081.00ms. Allocated memory was 352.3MB in the beginning and 763.4MB in the end (delta: 411.0MB). Free memory was 216.0MB in the beginning and 285.4MB in the end (delta: -69.4MB). Peak memory consumption was 343.5MB. Max. memory is 16.1GB. * Witness Printer took 333.16ms. Allocated memory was 763.4MB in the beginning and 964.7MB in the end (delta: 201.3MB). Free memory was 285.4MB in the beginning and 901.3MB in the end (delta: -615.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 779]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 345 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 6, TraceHistogramMax: 52, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 566 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 565 mSDsluCounter, 10151 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6915 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 3236 mSDtfsCounter, 212 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1438 GetRequests, 1393 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=759occurred in iteration=5, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2851 NumberOfCodeBlocks, 2098 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3540 ConstructedInterpolants, 0 QuantifiedInterpolants, 4516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4314 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 54065/54101 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1079]: Loop Invariant Derived loop invariant: (((__CS_error_detail == 0) || (0 != \old(__CS_error_detail))) || (__ERR_MAXTHREADS_REACHED != 1)) - InvariantResult [Line: 1048]: Loop Invariant Derived loop invariant: (((__CS_error_detail == 0) || (0 != \old(__CS_error_detail))) || (__ERR_MAXTHREADS_REACHED != 1)) - InvariantResult [Line: 1167]: Loop Invariant Derived loop invariant: (((__CS_error_detail == 0) && (i <= 1)) && (__ERR_MAXTHREADS_REACHED == 1)) - InvariantResult [Line: 1160]: Loop Invariant Derived loop invariant: (((__CS_error_detail == 0) && (i <= 1)) && (__ERR_MAXTHREADS_REACHED == 1)) - InvariantResult [Line: 1153]: Loop Invariant Derived loop invariant: ((__CS_error_detail == 0) && (__ERR_MAXTHREADS_REACHED == 1)) - InvariantResult [Line: 1163]: Loop Invariant Derived loop invariant: ((((__CS_error_detail == 0) && (i <= 1)) && (__ERR_MAXTHREADS_REACHED == 1)) && (j <= 3)) RESULT: Ultimate proved your program to be correct! [2024-11-28 05:19:54,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18deb629-4f43-4068-aee6-749f5bc3d8f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE