./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC --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 64bit --witnessprinter.graph.data.programhash e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:40:46,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:40:46,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 22:40:46,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:40:46,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:40:46,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:40:46,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:40:46,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:40:46,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:40:46,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:40:46,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:40:46,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:40:46,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:40:46,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:40:46,705 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:40:46,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:40:46,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:40:46,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:40:46,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:40:46,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:40:46,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:40:46,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:40:46,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:40:46,706 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:40:46,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:40:46,706 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:40:46,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:40:46,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:40:46,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:40:46,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:40:46,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:40:46,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:40:46,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:40:46,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:40:46,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:40:46,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:40:46,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:40:46,708 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:40:46,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:40:46,710 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_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2024-11-23 22:40:47,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:40:47,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:40:47,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:40:47,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:40:47,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:40:47,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-23 22:40:49,889 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/data/10a6ff776/32d75044c73941a7916b742e39a8e570/FLAGbafd411ee [2024-11-23 22:40:50,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:40:50,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-23 22:40:50,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/data/10a6ff776/32d75044c73941a7916b742e39a8e570/FLAGbafd411ee [2024-11-23 22:40:50,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/data/10a6ff776/32d75044c73941a7916b742e39a8e570 [2024-11-23 22:40:50,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:40:50,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:40:50,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:40:50,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:40:50,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:40:50,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:50" (1/1) ... [2024-11-23 22:40:50,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f26f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:50, skipping insertion in model container [2024-11-23 22:40:50,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:50" (1/1) ... [2024-11-23 22:40:50,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:40:51,089 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_595ac786-5c29-42f5-81d9-a114a5612dfc/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-11-23 22:40:51,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:40:51,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:40:51,354 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_595ac786-5c29-42f5-81d9-a114a5612dfc/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-11-23 22:40:51,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:40:51,408 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:40:51,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51 WrapperNode [2024-11-23 22:40:51,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:40:51,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:40:51,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:40:51,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:40:51,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,512 INFO L138 Inliner]: procedures = 102, calls = 421, calls flagged for inlining = 49, calls inlined = 44, statements flattened = 1140 [2024-11-23 22:40:51,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:40:51,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:40:51,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:40:51,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:40:51,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,742 INFO L175 MemorySlicer]: Split 233 memory accesses to 13 slices as follows [2, 8, 10, 7, 161, 18, 5, 6, 3, 3, 2, 4, 4]. 69 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [2, 0, 0, 7, 14, 0, 5, 6, 3, 3, 2, 3, 3]. The 80 writes are split as follows [0, 0, 0, 0, 66, 14, 0, 0, 0, 0, 0, 0, 0]. [2024-11-23 22:40:51,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:40:51,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:40:51,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:40:51,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:40:51,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (1/1) ... [2024-11-23 22:40:51,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:40:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:40:51,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:40:51,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:40:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 22:40:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 22:40:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 22:40:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 22:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 22:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 22:40:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 22:40:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 22:40:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 22:40:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 22:40:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 22:40:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2024-11-23 22:40:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:40:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-11-23 22:40:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-23 22:40:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-23 22:40:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:40:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2024-11-23 22:40:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2024-11-23 22:40:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 22:40:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 22:40:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 22:40:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 22:40:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2024-11-23 22:40:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-23 22:40:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-23 22:40:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-23 22:40:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-23 22:40:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-23 22:40:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 22:40:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 22:40:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 22:40:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 22:40:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 22:40:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-23 22:40:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-23 22:40:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2024-11-23 22:40:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2024-11-23 22:40:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 22:40:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-23 22:40:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-23 22:40:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:40:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:40:52,390 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:40:52,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:40:57,895 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-11-23 22:40:57,895 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:40:57,911 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:40:57,911 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:40:57,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:57 BoogieIcfgContainer [2024-11-23 22:40:57,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:40:57,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:40:57,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:40:57,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:40:57,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:40:50" (1/3) ... [2024-11-23 22:40:57,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51987644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:57, skipping insertion in model container [2024-11-23 22:40:57,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:51" (2/3) ... [2024-11-23 22:40:57,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51987644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:57, skipping insertion in model container [2024-11-23 22:40:57,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:57" (3/3) ... [2024-11-23 22:40:57,923 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-23 22:40:57,939 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:40:57,941 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i that has 19 procedures, 301 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-23 22:40:58,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:40:58,037 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;@d0d324d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:40:58,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:40:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 233 states have internal predecessors, (295), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 22:40:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 22:40:58,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:40:58,069 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:40:58,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:40:58,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:40:58,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1860750501, now seen corresponding path program 1 times [2024-11-23 22:40:58,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:40:58,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112258225] [2024-11-23 22:40:58,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:40:58,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:40:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:40:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 22:40:59,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:40:59,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112258225] [2024-11-23 22:40:59,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112258225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:40:59,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:40:59,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:40:59,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166846307] [2024-11-23 22:40:59,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:40:59,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:40:59,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:40:59,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:40:59,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:40:59,491 INFO L87 Difference]: Start difference. First operand has 301 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 233 states have internal predecessors, (295), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 22:40:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:40:59,670 INFO L93 Difference]: Finished difference Result 594 states and 806 transitions. [2024-11-23 22:40:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:40:59,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-11-23 22:40:59,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:40:59,684 INFO L225 Difference]: With dead ends: 594 [2024-11-23 22:40:59,684 INFO L226 Difference]: Without dead ends: 289 [2024-11-23 22:40:59,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:40:59,692 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 0 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:40:59,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1173 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:40:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-23 22:40:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-23 22:40:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 219 states have (on average 1.2831050228310503) internal successors, (281), 223 states have internal predecessors, (281), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 22:40:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 383 transitions. [2024-11-23 22:40:59,790 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 383 transitions. Word has length 126 [2024-11-23 22:40:59,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:40:59,793 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 383 transitions. [2024-11-23 22:40:59,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 22:40:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 383 transitions. [2024-11-23 22:40:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 22:40:59,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:40:59,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:40:59,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:40:59,802 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:40:59,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:40:59,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1568180097, now seen corresponding path program 1 times [2024-11-23 22:40:59,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:40:59,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775946463] [2024-11-23 22:40:59,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:40:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 22:41:00,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:00,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775946463] [2024-11-23 22:41:00,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775946463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:00,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:00,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:41:00,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128863531] [2024-11-23 22:41:00,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:00,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:41:00,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:00,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:41:00,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:41:00,351 INFO L87 Difference]: Start difference. First operand 289 states and 383 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:00,426 INFO L93 Difference]: Finished difference Result 571 states and 759 transitions. [2024-11-23 22:41:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:41:00,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-23 22:41:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:00,429 INFO L225 Difference]: With dead ends: 571 [2024-11-23 22:41:00,430 INFO L226 Difference]: Without dead ends: 290 [2024-11-23 22:41:00,431 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 [2024-11-23 22:41:00,431 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:00,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-23 22:41:00,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-23 22:41:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 220 states have (on average 1.2818181818181817) internal successors, (282), 224 states have internal predecessors, (282), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 22:41:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 384 transitions. [2024-11-23 22:41:00,452 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 384 transitions. Word has length 137 [2024-11-23 22:41:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:00,453 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 384 transitions. [2024-11-23 22:41:00,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 384 transitions. [2024-11-23 22:41:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 22:41:00,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:00,455 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:41:00,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:41:00,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:00,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:00,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1668949121, now seen corresponding path program 1 times [2024-11-23 22:41:00,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:00,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399383892] [2024-11-23 22:41:00,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 22:41:01,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:01,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399383892] [2024-11-23 22:41:01,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399383892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:01,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:01,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:01,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662542013] [2024-11-23 22:41:01,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:01,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:01,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:01,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:01,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:01,080 INFO L87 Difference]: Start difference. First operand 290 states and 384 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:01,173 INFO L93 Difference]: Finished difference Result 574 states and 762 transitions. [2024-11-23 22:41:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:01,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-23 22:41:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:01,176 INFO L225 Difference]: With dead ends: 574 [2024-11-23 22:41:01,176 INFO L226 Difference]: Without dead ends: 292 [2024-11-23 22:41:01,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:01,178 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:01,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:41:01,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-23 22:41:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-23 22:41:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 222 states have (on average 1.2792792792792793) internal successors, (284), 226 states have internal predecessors, (284), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 22:41:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 386 transitions. [2024-11-23 22:41:01,196 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 386 transitions. Word has length 137 [2024-11-23 22:41:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:01,196 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 386 transitions. [2024-11-23 22:41:01,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 386 transitions. [2024-11-23 22:41:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 22:41:01,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:01,199 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:41:01,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:41:01,199 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:01,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:01,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1691581375, now seen corresponding path program 1 times [2024-11-23 22:41:01,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:01,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325017089] [2024-11-23 22:41:01,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 22:41:01,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:01,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325017089] [2024-11-23 22:41:01,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325017089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:01,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:01,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:41:01,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397530529] [2024-11-23 22:41:01,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:01,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:41:01,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:01,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:41:01,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:41:01,629 INFO L87 Difference]: Start difference. First operand 292 states and 386 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:01,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:01,673 INFO L93 Difference]: Finished difference Result 577 states and 765 transitions. [2024-11-23 22:41:01,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:41:01,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-23 22:41:01,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:01,677 INFO L225 Difference]: With dead ends: 577 [2024-11-23 22:41:01,677 INFO L226 Difference]: Without dead ends: 293 [2024-11-23 22:41:01,681 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 [2024-11-23 22:41:01,682 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:01,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:01,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-23 22:41:01,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-23 22:41:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 223 states have (on average 1.2780269058295963) internal successors, (285), 227 states have internal predecessors, (285), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 22:41:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 387 transitions. [2024-11-23 22:41:01,710 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 387 transitions. Word has length 137 [2024-11-23 22:41:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:01,711 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 387 transitions. [2024-11-23 22:41:01,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2024-11-23 22:41:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 22:41:01,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:01,716 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:41:01,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:41:01,716 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:01,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:01,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1901786047, now seen corresponding path program 1 times [2024-11-23 22:41:01,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:01,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008530253] [2024-11-23 22:41:01,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 22:41:02,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:02,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008530253] [2024-11-23 22:41:02,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008530253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:02,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:02,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:41:02,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794680418] [2024-11-23 22:41:02,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:02,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:41:02,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:02,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:41:02,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:02,747 INFO L87 Difference]: Start difference. First operand 293 states and 387 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:06,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:41:10,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:41:11,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:11,561 INFO L93 Difference]: Finished difference Result 857 states and 1140 transitions. [2024-11-23 22:41:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:41:11,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-23 22:41:11,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:11,575 INFO L225 Difference]: With dead ends: 857 [2024-11-23 22:41:11,575 INFO L226 Difference]: Without dead ends: 853 [2024-11-23 22:41:11,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:11,577 INFO L435 NwaCegarLoop]: 415 mSDtfsCounter, 883 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 82 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:11,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 1343 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-23 22:41:11,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-23 22:41:11,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-11-23 22:41:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 651 states have (on average 1.2795698924731183) internal successors, (833), 661 states have internal predecessors, (833), 150 states have call successors, (150), 52 states have call predecessors, (150), 51 states have return successors, (152), 148 states have call predecessors, (152), 148 states have call successors, (152) [2024-11-23 22:41:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1135 transitions. [2024-11-23 22:41:11,660 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1135 transitions. Word has length 137 [2024-11-23 22:41:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:11,661 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1135 transitions. [2024-11-23 22:41:11,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 22:41:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1135 transitions. [2024-11-23 22:41:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-23 22:41:11,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:11,663 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:41:11,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:41:11,663 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:11,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash -970050414, now seen corresponding path program 1 times [2024-11-23 22:41:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:11,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896797353] [2024-11-23 22:41:11,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 22:41:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896797353] [2024-11-23 22:41:12,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896797353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:12,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:12,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:41:12,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041499713] [2024-11-23 22:41:12,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:12,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:41:12,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:12,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:41:12,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:41:12,208 INFO L87 Difference]: Start difference. First operand 853 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 22:41:16,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:41:16,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:16,298 INFO L93 Difference]: Finished difference Result 1700 states and 2265 transitions. [2024-11-23 22:41:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:41:16,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 147 [2024-11-23 22:41:16,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:16,306 INFO L225 Difference]: With dead ends: 1700 [2024-11-23 22:41:16,307 INFO L226 Difference]: Without dead ends: 1415 [2024-11-23 22:41:16,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:41:16,309 INFO L435 NwaCegarLoop]: 719 mSDtfsCounter, 363 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:16,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1094 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-23 22:41:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-23 22:41:16,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1133. [2024-11-23 22:41:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 865 states have (on average 1.2786127167630057) internal successors, (1106), 878 states have internal predecessors, (1106), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-23 22:41:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1506 transitions. [2024-11-23 22:41:16,439 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1506 transitions. Word has length 147 [2024-11-23 22:41:16,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:16,439 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1506 transitions. [2024-11-23 22:41:16,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 22:41:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1506 transitions. [2024-11-23 22:41:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-23 22:41:16,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:16,443 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:16,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:41:16,444 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:16,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:16,444 INFO L85 PathProgramCache]: Analyzing trace with hash 395986029, now seen corresponding path program 1 times [2024-11-23 22:41:16,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:16,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305096933] [2024-11-23 22:41:16,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:16,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-23 22:41:17,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:17,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305096933] [2024-11-23 22:41:17,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305096933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:17,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:17,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:17,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527190984] [2024-11-23 22:41:17,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:17,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:17,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:17,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:17,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:17,126 INFO L87 Difference]: Start difference. First operand 1133 states and 1506 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:17,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:17,265 INFO L93 Difference]: Finished difference Result 2266 states and 3015 transitions. [2024-11-23 22:41:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 193 [2024-11-23 22:41:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:17,272 INFO L225 Difference]: With dead ends: 2266 [2024-11-23 22:41:17,272 INFO L226 Difference]: Without dead ends: 1141 [2024-11-23 22:41:17,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:17,275 INFO L435 NwaCegarLoop]: 378 mSDtfsCounter, 15 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:17,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1096 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:41:17,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-23 22:41:17,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1141. [2024-11-23 22:41:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 873 states have (on average 1.2760595647193584) internal successors, (1114), 886 states have internal predecessors, (1114), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-23 22:41:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1514 transitions. [2024-11-23 22:41:17,344 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1514 transitions. Word has length 193 [2024-11-23 22:41:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:17,347 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1514 transitions. [2024-11-23 22:41:17,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1514 transitions. [2024-11-23 22:41:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-23 22:41:17,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:17,353 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:17,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:41:17,353 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:17,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:17,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1970708565, now seen corresponding path program 1 times [2024-11-23 22:41:17,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:17,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877009094] [2024-11-23 22:41:17,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:17,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-23 22:41:17,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877009094] [2024-11-23 22:41:17,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877009094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:17,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:17,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:41:17,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786278280] [2024-11-23 22:41:17,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:17,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:41:17,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:17,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:41:17,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:41:17,775 INFO L87 Difference]: Start difference. First operand 1141 states and 1514 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:17,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:17,845 INFO L93 Difference]: Finished difference Result 2278 states and 3027 transitions. [2024-11-23 22:41:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:41:17,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 193 [2024-11-23 22:41:17,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:17,853 INFO L225 Difference]: With dead ends: 2278 [2024-11-23 22:41:17,853 INFO L226 Difference]: Without dead ends: 1145 [2024-11-23 22:41:17,856 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 [2024-11-23 22:41:17,857 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:17,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-23 22:41:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1145. [2024-11-23 22:41:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 877 states have (on average 1.274800456100342) internal successors, (1118), 890 states have internal predecessors, (1118), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-23 22:41:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1518 transitions. [2024-11-23 22:41:17,925 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1518 transitions. Word has length 193 [2024-11-23 22:41:17,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:17,926 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1518 transitions. [2024-11-23 22:41:17,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1518 transitions. [2024-11-23 22:41:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-23 22:41:17,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:17,930 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:17,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:41:17,930 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:17,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:17,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1971170349, now seen corresponding path program 1 times [2024-11-23 22:41:17,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:17,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609748609] [2024-11-23 22:41:17,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:17,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-23 22:41:18,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:18,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609748609] [2024-11-23 22:41:18,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609748609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:18,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:18,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:18,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436791754] [2024-11-23 22:41:18,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:18,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:18,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:18,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:18,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:18,636 INFO L87 Difference]: Start difference. First operand 1145 states and 1518 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:18,732 INFO L93 Difference]: Finished difference Result 2290 states and 3039 transitions. [2024-11-23 22:41:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:18,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 193 [2024-11-23 22:41:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:18,740 INFO L225 Difference]: With dead ends: 2290 [2024-11-23 22:41:18,740 INFO L226 Difference]: Without dead ends: 1153 [2024-11-23 22:41:18,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:18,745 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:18,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1130 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-11-23 22:41:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1153. [2024-11-23 22:41:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 885 states have (on average 1.272316384180791) internal successors, (1126), 898 states have internal predecessors, (1126), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-23 22:41:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1526 transitions. [2024-11-23 22:41:18,814 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1526 transitions. Word has length 193 [2024-11-23 22:41:18,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:18,815 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1526 transitions. [2024-11-23 22:41:18,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1526 transitions. [2024-11-23 22:41:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 22:41:18,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:18,819 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:18,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:41:18,820 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:18,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:18,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1167686706, now seen corresponding path program 1 times [2024-11-23 22:41:18,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:18,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433842915] [2024-11-23 22:41:18,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:18,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-23 22:41:19,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:19,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433842915] [2024-11-23 22:41:19,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433842915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:19,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:19,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:19,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269343117] [2024-11-23 22:41:19,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:19,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:19,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:19,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:19,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:19,419 INFO L87 Difference]: Start difference. First operand 1153 states and 1526 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:19,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:19,500 INFO L93 Difference]: Finished difference Result 2306 states and 3055 transitions. [2024-11-23 22:41:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:19,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 194 [2024-11-23 22:41:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:19,509 INFO L225 Difference]: With dead ends: 2306 [2024-11-23 22:41:19,509 INFO L226 Difference]: Without dead ends: 1161 [2024-11-23 22:41:19,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:19,514 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:19,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1130 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:19,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-11-23 22:41:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2024-11-23 22:41:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 893 states have (on average 1.2698768197088466) internal successors, (1134), 906 states have internal predecessors, (1134), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-23 22:41:19,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1534 transitions. [2024-11-23 22:41:19,585 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1534 transitions. Word has length 194 [2024-11-23 22:41:19,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:19,586 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1534 transitions. [2024-11-23 22:41:19,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1534 transitions. [2024-11-23 22:41:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 22:41:19,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:19,590 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:19,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:41:19,591 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:19,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash -600466822, now seen corresponding path program 1 times [2024-11-23 22:41:19,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:19,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194680017] [2024-11-23 22:41:19,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:19,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-23 22:41:20,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:20,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194680017] [2024-11-23 22:41:20,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194680017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:20,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:20,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:20,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930568620] [2024-11-23 22:41:20,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:20,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:20,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:20,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:20,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:20,133 INFO L87 Difference]: Start difference. First operand 1161 states and 1534 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:20,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:20,253 INFO L93 Difference]: Finished difference Result 2618 states and 3505 transitions. [2024-11-23 22:41:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:20,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 194 [2024-11-23 22:41:20,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:20,268 INFO L225 Difference]: With dead ends: 2618 [2024-11-23 22:41:20,268 INFO L226 Difference]: Without dead ends: 1465 [2024-11-23 22:41:20,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:20,272 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 82 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:20,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1319 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:20,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-11-23 22:41:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1244. [2024-11-23 22:41:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 968 states have (on average 1.2758264462809918) internal successors, (1235), 981 states have internal predecessors, (1235), 207 states have call successors, (207), 69 states have call predecessors, (207), 68 states have return successors, (209), 205 states have call predecessors, (209), 205 states have call successors, (209) [2024-11-23 22:41:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1651 transitions. [2024-11-23 22:41:20,390 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1651 transitions. Word has length 194 [2024-11-23 22:41:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:20,390 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1651 transitions. [2024-11-23 22:41:20,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1651 transitions. [2024-11-23 22:41:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 22:41:20,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:20,397 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:20,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:41:20,398 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:20,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:20,398 INFO L85 PathProgramCache]: Analyzing trace with hash -741463688, now seen corresponding path program 1 times [2024-11-23 22:41:20,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:20,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049153450] [2024-11-23 22:41:20,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-23 22:41:20,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:20,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049153450] [2024-11-23 22:41:20,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049153450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:20,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:20,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:20,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782558878] [2024-11-23 22:41:20,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:20,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:20,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:20,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:20,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:20,935 INFO L87 Difference]: Start difference. First operand 1244 states and 1651 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:21,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:21,050 INFO L93 Difference]: Finished difference Result 2693 states and 3598 transitions. [2024-11-23 22:41:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:21,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 195 [2024-11-23 22:41:21,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:21,060 INFO L225 Difference]: With dead ends: 2693 [2024-11-23 22:41:21,061 INFO L226 Difference]: Without dead ends: 1457 [2024-11-23 22:41:21,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:21,066 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 75 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:21,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1299 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:21,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-23 22:41:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1236. [2024-11-23 22:41:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 960 states have (on average 1.265625) internal successors, (1215), 973 states have internal predecessors, (1215), 207 states have call successors, (207), 69 states have call predecessors, (207), 68 states have return successors, (209), 205 states have call predecessors, (209), 205 states have call successors, (209) [2024-11-23 22:41:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1631 transitions. [2024-11-23 22:41:21,155 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1631 transitions. Word has length 195 [2024-11-23 22:41:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:21,156 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1631 transitions. [2024-11-23 22:41:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:41:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1631 transitions. [2024-11-23 22:41:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 22:41:21,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:21,161 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:21,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:41:21,161 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:21,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:21,162 INFO L85 PathProgramCache]: Analyzing trace with hash -69477133, now seen corresponding path program 1 times [2024-11-23 22:41:21,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:21,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41947949] [2024-11-23 22:41:21,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:21,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-23 22:41:21,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:21,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41947949] [2024-11-23 22:41:21,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41947949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:41:21,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041417860] [2024-11-23 22:41:21,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:21,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:41:21,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:41:21,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:41:21,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:41:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:23,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:41:23,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:41:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-23 22:41:23,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:41:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-23 22:41:23,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041417860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:41:23,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:41:23,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-23 22:41:23,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720362530] [2024-11-23 22:41:23,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:41:23,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:41:23,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:23,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:41:23,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:41:23,496 INFO L87 Difference]: Start difference. First operand 1236 states and 1631 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 5 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-23 22:41:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:23,760 INFO L93 Difference]: Finished difference Result 2982 states and 3999 transitions. [2024-11-23 22:41:23,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:41:23,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 5 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 195 [2024-11-23 22:41:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:23,773 INFO L225 Difference]: With dead ends: 2982 [2024-11-23 22:41:23,773 INFO L226 Difference]: Without dead ends: 1754 [2024-11-23 22:41:23,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 387 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:41:23,778 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 132 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:23,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 837 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:41:23,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-23 22:41:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1620. [2024-11-23 22:41:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1296 states have (on average 1.2708333333333333) internal successors, (1647), 1309 states have internal predecessors, (1647), 255 states have call successors, (255), 69 states have call predecessors, (255), 68 states have return successors, (257), 253 states have call predecessors, (257), 253 states have call successors, (257) [2024-11-23 22:41:23,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2159 transitions. [2024-11-23 22:41:23,899 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2159 transitions. Word has length 195 [2024-11-23 22:41:23,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:23,900 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2159 transitions. [2024-11-23 22:41:23,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 5 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-23 22:41:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2159 transitions. [2024-11-23 22:41:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-23 22:41:23,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:23,906 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 22:41:23,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:41:24,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 22:41:24,110 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:24,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:24,111 INFO L85 PathProgramCache]: Analyzing trace with hash -198441909, now seen corresponding path program 1 times [2024-11-23 22:41:24,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:24,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166476677] [2024-11-23 22:41:24,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:24,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-23 22:41:24,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:24,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166476677] [2024-11-23 22:41:24,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166476677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:24,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:24,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:41:24,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292994840] [2024-11-23 22:41:24,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:24,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:41:24,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:24,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:41:24,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:24,836 INFO L87 Difference]: Start difference. First operand 1620 states and 2159 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:41:28,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:41:29,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:29,048 INFO L93 Difference]: Finished difference Result 3949 states and 5259 transitions. [2024-11-23 22:41:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:41:29,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 208 [2024-11-23 22:41:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:29,057 INFO L225 Difference]: With dead ends: 3949 [2024-11-23 22:41:29,057 INFO L226 Difference]: Without dead ends: 1145 [2024-11-23 22:41:29,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:41:29,064 INFO L435 NwaCegarLoop]: 732 mSDtfsCounter, 353 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:29,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 2540 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 22:41:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-23 22:41:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1115. [2024-11-23 22:41:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 883 states have (on average 1.245753114382786) internal successors, (1100), 893 states have internal predecessors, (1100), 180 states have call successors, (180), 52 states have call predecessors, (180), 51 states have return successors, (180), 178 states have call predecessors, (180), 178 states have call successors, (180) [2024-11-23 22:41:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1460 transitions. [2024-11-23 22:41:29,125 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1460 transitions. Word has length 208 [2024-11-23 22:41:29,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:29,126 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1460 transitions. [2024-11-23 22:41:29,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:41:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1460 transitions. [2024-11-23 22:41:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-23 22:41:29,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:29,132 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:29,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:41:29,132 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:29,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1256414509, now seen corresponding path program 1 times [2024-11-23 22:41:29,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:29,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491039221] [2024-11-23 22:41:29,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:29,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-23 22:41:29,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:29,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491039221] [2024-11-23 22:41:29,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491039221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:29,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:41:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807313841] [2024-11-23 22:41:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:29,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:41:29,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:29,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:41:29,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:29,740 INFO L87 Difference]: Start difference. First operand 1115 states and 1460 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:41:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:29,854 INFO L93 Difference]: Finished difference Result 2253 states and 2958 transitions. [2024-11-23 22:41:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:41:29,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 229 [2024-11-23 22:41:29,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:29,863 INFO L225 Difference]: With dead ends: 2253 [2024-11-23 22:41:29,863 INFO L226 Difference]: Without dead ends: 1146 [2024-11-23 22:41:29,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:41:29,867 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 16 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:29,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1169 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:41:29,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-11-23 22:41:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1027. [2024-11-23 22:41:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 803 states have (on average 1.2353673723536738) internal successors, (992), 813 states have internal predecessors, (992), 172 states have call successors, (172), 52 states have call predecessors, (172), 51 states have return successors, (172), 170 states have call predecessors, (172), 170 states have call successors, (172) [2024-11-23 22:41:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1336 transitions. [2024-11-23 22:41:29,933 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1336 transitions. Word has length 229 [2024-11-23 22:41:29,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:29,934 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1336 transitions. [2024-11-23 22:41:29,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:41:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1336 transitions. [2024-11-23 22:41:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-23 22:41:29,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:29,940 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 22:41:29,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 22:41:29,940 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:41:29,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:29,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2024329055, now seen corresponding path program 1 times [2024-11-23 22:41:29,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:29,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774979146] [2024-11-23 22:41:29,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:29,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-23 22:41:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774979146] [2024-11-23 22:41:30,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774979146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:30,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:30,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:41:30,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933601338] [2024-11-23 22:41:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:30,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:41:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:30,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:41:30,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:30,917 INFO L87 Difference]: Start difference. First operand 1027 states and 1336 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 5 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-23 22:41:34,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:41:38,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:41:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:39,295 INFO L93 Difference]: Finished difference Result 1364 states and 1777 transitions. [2024-11-23 22:41:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:41:39,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 5 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 247 [2024-11-23 22:41:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:39,298 INFO L225 Difference]: With dead ends: 1364 [2024-11-23 22:41:39,298 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:41:39,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:39,301 INFO L435 NwaCegarLoop]: 407 mSDtfsCounter, 702 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:39,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 667 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-23 22:41:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:41:39,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:41:39,302 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) [2024-11-23 22:41:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:41:39,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-11-23 22:41:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:39,304 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:41:39,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 5 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-23 22:41:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:41:39,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:41:39,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:41:39,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:41:39,312 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:39,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:41:48,744 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:41:48,760 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,761 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,761 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,761 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,761 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,761 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,761 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,762 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,762 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,762 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,763 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,763 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,763 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,763 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,763 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,763 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,764 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,764 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,764 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-11-23 22:41:48,764 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-23 22:41:48,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:41:48 BoogieIcfgContainer [2024-11-23 22:41:48,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:41:48,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:41:48,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:41:48,766 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:41:48,766 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:57" (3/4) ... [2024-11-23 22:41:48,769 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:41:48,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 22:41:48,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ipmi_destroy_user [2024-11-23 22:41:48,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hwmon_device_unregister [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ipmi_free_recv_msg [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ibmpex_send_message [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-23 22:41:48,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-11-23 22:41:48,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_remove_file [2024-11-23 22:41:48,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure extract_value [2024-11-23 22:41:48,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ibmpex_bmc_delete [2024-11-23 22:41:48,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_set_drvdata [2024-11-23 22:41:48,792 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2024-11-23 22:41:48,794 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-11-23 22:41:48,796 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-23 22:41:48,797 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 22:41:48,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:41:48,801 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:41:49,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:41:49,006 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:41:49,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:41:49,007 INFO L158 Benchmark]: Toolchain (without parser) took 58563.89ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 114.7MB in the beginning and 490.9MB in the end (delta: -376.2MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,007 INFO L158 Benchmark]: CDTParser took 1.56ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:41:49,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 965.83ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 67.9MB in the end (delta: 46.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.69ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 59.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,008 INFO L158 Benchmark]: Boogie Preprocessor took 354.31ms. Allocated memory is still 142.6MB. Free memory was 59.2MB in the beginning and 86.9MB in the end (delta: -27.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,008 INFO L158 Benchmark]: RCFGBuilder took 6044.35ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 86.9MB in the beginning and 322.6MB in the end (delta: -235.7MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,009 INFO L158 Benchmark]: TraceAbstraction took 50850.40ms. Allocated memory was 427.8MB in the beginning and 755.0MB in the end (delta: 327.2MB). Free memory was 321.4MB in the beginning and 511.7MB in the end (delta: -190.3MB). Peak memory consumption was 390.4MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,010 INFO L158 Benchmark]: Witness Printer took 240.36ms. Allocated memory is still 755.0MB. Free memory was 511.7MB in the beginning and 490.9MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:41:49,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 965.83ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 67.9MB in the end (delta: 46.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.69ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 59.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 354.31ms. Allocated memory is still 142.6MB. Free memory was 59.2MB in the beginning and 86.9MB in the end (delta: -27.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * RCFGBuilder took 6044.35ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 86.9MB in the beginning and 322.6MB in the end (delta: -235.7MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * TraceAbstraction took 50850.40ms. Allocated memory was 427.8MB in the beginning and 755.0MB in the end (delta: 327.2MB). Free memory was 321.4MB in the beginning and 511.7MB in the end (delta: -190.3MB). Peak memory consumption was 390.4MB. Max. memory is 16.1GB. * Witness Printer took 240.36ms. Allocated memory is still 755.0MB. Free memory was 511.7MB in the beginning and 490.9MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 * 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: 2415]: 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 19 procedures, 301 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.3s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 27.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 2670 SdHoareTripleChecker+Valid, 25.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2621 mSDsluCounter, 18177 SdHoareTripleChecker+Invalid, 25.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11119 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 604 IncrementalHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 7058 mSDtfsCounter, 604 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 422 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1620occurred in iteration=13, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1007 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 3057 NumberOfCodeBlocks, 3057 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3234 ConstructedInterpolants, 0 QuantifiedInterpolants, 4004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2253 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 1483/1486 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: 2192]: Location Invariant Derived location invariant: (((((6 <= ldv_count_1) && (ldv_count_2 == 0)) || ((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (((long) 5 + ldv_count_2) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) ldv_count_2 + 1) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (ldv_call_dev_attr_of_sensor_device_attribute == 1))) - InvariantResult [Line: 1990]: Loop Invariant Derived loop invariant: ((((((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (((long) 5 + ldv_count_2) <= ldv_count_1)) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) ldv_count_2 + 1) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) 2 + ldv_count_2) <= ldv_count_1))) || ((6 <= ldv_count_1) && (ldv_count_2 == 0))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (ldv_call_dev_attr_of_sensor_device_attribute == 1))) - InvariantResult [Line: 1993]: Loop Invariant Derived loop invariant: ((((((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (ldv_call_dev_attr_of_sensor_device_attribute == 1)) || ((6 <= ldv_count_1) && (ldv_count_2 == 0))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) ldv_count_2 + 1) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (((long) 5 + ldv_count_2) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) 2 + ldv_count_2) <= ldv_count_1))) RESULT: Ultimate proved your program to be correct! [2024-11-23 22:41:49,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_595ac786-5c29-42f5-81d9-a114a5612dfc/bin/uautomizer-verify-LYvppIcaGC/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