./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.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_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/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_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/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_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/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 afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:34:45,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:34:45,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:34:45,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:34:45,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:34:45,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:34:45,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:34:45,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:34:45,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:34:45,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:34:45,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:34:45,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:34:45,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:34:45,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:34:45,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:34:45,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:34:45,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:34:45,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:34:45,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:34:45,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:34:45,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:34:45,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:34:45,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:34:45,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:34:45,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:34:45,592 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:34:45,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:45,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:45,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:45,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:45,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:34:45,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:45,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:45,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:45,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:45,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:34:45,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:34:45,594 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:34:45,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:34:45,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:34:45,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:34:45,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:34:45,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:34:45,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:34:45,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:34:45,595 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_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/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 -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2024-11-23 18:34:45,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:34:45,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:34:45,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:34:45,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:34:45,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:34:45,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-23 18:34:48,844 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/data/f9da27dc6/d77bd33134ee4f1bac61cab1ddb88dda/FLAG7f8c2e39d [2024-11-23 18:34:49,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:34:49,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-23 18:34:49,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/data/f9da27dc6/d77bd33134ee4f1bac61cab1ddb88dda/FLAG7f8c2e39d [2024-11-23 18:34:49,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/data/f9da27dc6/d77bd33134ee4f1bac61cab1ddb88dda [2024-11-23 18:34:49,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:34:49,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:34:49,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:49,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:34:49,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:34:49,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:49" (1/1) ... [2024-11-23 18:34:49,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684ae6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:49, skipping insertion in model container [2024-11-23 18:34:49,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:49" (1/1) ... [2024-11-23 18:34:50,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:34:51,059 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_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2024-11-23 18:34:51,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:51,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:34:51,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3154] [2024-11-23 18:34:51,507 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_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2024-11-23 18:34:51,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:51,599 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:34:51,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51 WrapperNode [2024-11-23 18:34:51,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:51,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:51,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:34:51,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:34:51,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:51,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:51,789 INFO L138 Inliner]: procedures = 175, calls = 840, calls flagged for inlining = 50, calls inlined = 47, statements flattened = 2172 [2024-11-23 18:34:51,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:51,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:34:51,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:34:51,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:34:51,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:51,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:51,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,153 INFO L175 MemorySlicer]: Split 389 memory accesses to 16 slices as follows [2, 5, 36, 215, 14, 7, 1, 3, 6, 4, 9, 5, 41, 4, 5, 32]. 55 percent of accesses are in the largest equivalence class. The 36 initializations are split as follows [2, 5, 0, 0, 0, 7, 1, 3, 0, 4, 0, 5, 0, 4, 5, 0]. The 151 writes are split as follows [0, 0, 2, 54, 12, 0, 0, 0, 3, 0, 7, 0, 41, 0, 0, 32]. [2024-11-23 18:34:52,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:34:52,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:34:52,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:34:52,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:34:52,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (1/1) ... [2024-11-23 18:34:52,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:52,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:52,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:34:52,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-23 18:34:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-23 18:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-23 18:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-23 18:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2024-11-23 18:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2024-11-23 18:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2024-11-23 18:34:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:34:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2024-11-23 18:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 18:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2024-11-23 18:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-23 18:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 18:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 18:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2024-11-23 18:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2024-11-23 18:34:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-23 18:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-23 18:34:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2024-11-23 18:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 18:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-23 18:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-23 18:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2024-11-23 18:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2024-11-23 18:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2024-11-23 18:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2024-11-23 18:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2024-11-23 18:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:34:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:34:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:34:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:34:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2024-11-23 18:34:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2024-11-23 18:34:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-23 18:34:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2024-11-23 18:34:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2024-11-23 18:34:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-23 18:34:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 18:34:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 18:34:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 18:34:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 18:34:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 18:34:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 18:34:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 18:34:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 18:34:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 18:34:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 18:34:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 18:34:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 18:34:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-23 18:34:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:34:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:34:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-23 18:34:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2024-11-23 18:34:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2024-11-23 18:34:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2024-11-23 18:34:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:34:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:34:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-23 18:34:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-23 18:34:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2024-11-23 18:34:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2024-11-23 18:34:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-23 18:34:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-23 18:34:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2024-11-23 18:34:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2024-11-23 18:34:53,132 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:34:53,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:34:53,302 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:35:01,620 INFO L? ?]: Removed 932 outVars from TransFormulas that were not future-live. [2024-11-23 18:35:01,620 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:35:01,667 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:35:01,669 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-23 18:35:01,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:01 BoogieIcfgContainer [2024-11-23 18:35:01,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:35:01,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:35:01,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:35:01,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:35:01,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:34:49" (1/3) ... [2024-11-23 18:35:01,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572c5931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:35:01, skipping insertion in model container [2024-11-23 18:35:01,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:51" (2/3) ... [2024-11-23 18:35:01,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572c5931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:35:01, skipping insertion in model container [2024-11-23 18:35:01,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:01" (3/3) ... [2024-11-23 18:35:01,685 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-23 18:35:01,703 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:35:01,707 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i that has 51 procedures, 885 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-23 18:35:01,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:35:01,829 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;@3a7053fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:35:01,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:35:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 884 states, 646 states have (on average 1.4024767801857585) internal successors, (906), 664 states have internal predecessors, (906), 187 states have call successors, (187), 50 states have call predecessors, (187), 49 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-23 18:35:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-23 18:35:01,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:01,869 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:01,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:01,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1441936407, now seen corresponding path program 1 times [2024-11-23 18:35:01,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:01,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269210992] [2024-11-23 18:35:01,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:01,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2024-11-23 18:35:03,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:03,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269210992] [2024-11-23 18:35:03,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269210992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:03,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744352248] [2024-11-23 18:35:03,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:03,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:03,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:03,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:03,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:35:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:05,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:35:05,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2024-11-23 18:35:05,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:05,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744352248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:05,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:05,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:35:05,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135770487] [2024-11-23 18:35:05,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:05,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:35:05,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:05,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:35:05,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:35:05,585 INFO L87 Difference]: Start difference. First operand has 884 states, 646 states have (on average 1.4024767801857585) internal successors, (906), 664 states have internal predecessors, (906), 187 states have call successors, (187), 50 states have call predecessors, (187), 49 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 18:35:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:05,739 INFO L93 Difference]: Finished difference Result 1763 states and 2615 transitions. [2024-11-23 18:35:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:35:05,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 261 [2024-11-23 18:35:05,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:05,762 INFO L225 Difference]: With dead ends: 1763 [2024-11-23 18:35:05,763 INFO L226 Difference]: Without dead ends: 868 [2024-11-23 18:35:05,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:35:05,782 INFO L435 NwaCegarLoop]: 1260 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:05,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:05,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-23 18:35:05,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2024-11-23 18:35:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 641 states have (on average 1.3822152886115444) internal successors, (886), 648 states have internal predecessors, (886), 178 states have call successors, (178), 49 states have call predecessors, (178), 48 states have return successors, (173), 173 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-23 18:35:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1237 transitions. [2024-11-23 18:35:05,936 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1237 transitions. Word has length 261 [2024-11-23 18:35:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:05,937 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1237 transitions. [2024-11-23 18:35:05,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 18:35:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1237 transitions. [2024-11-23 18:35:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-23 18:35:05,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:05,954 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:05,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:35:06,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:35:06,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:06,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2119126489, now seen corresponding path program 1 times [2024-11-23 18:35:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239332287] [2024-11-23 18:35:06,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:06,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-23 18:35:07,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:07,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239332287] [2024-11-23 18:35:07,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239332287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:07,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:07,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:07,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528869457] [2024-11-23 18:35:07,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:07,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:07,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:07,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:07,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:07,435 INFO L87 Difference]: Start difference. First operand 868 states and 1237 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-23 18:35:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:07,687 INFO L93 Difference]: Finished difference Result 2463 states and 3501 transitions. [2024-11-23 18:35:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:07,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 261 [2024-11-23 18:35:07,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:07,710 INFO L225 Difference]: With dead ends: 2463 [2024-11-23 18:35:07,710 INFO L226 Difference]: Without dead ends: 1646 [2024-11-23 18:35:07,714 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 18:35:07,716 INFO L435 NwaCegarLoop]: 1236 mSDtfsCounter, 1170 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:07,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 2389 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:35:07,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-11-23 18:35:07,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1631. [2024-11-23 18:35:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1220 states have (on average 1.3926229508196721) internal successors, (1699), 1231 states have internal predecessors, (1699), 314 states have call successors, (314), 97 states have call predecessors, (314), 96 states have return successors, (309), 308 states have call predecessors, (309), 309 states have call successors, (309) [2024-11-23 18:35:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2322 transitions. [2024-11-23 18:35:07,858 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2322 transitions. Word has length 261 [2024-11-23 18:35:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:07,860 INFO L471 AbstractCegarLoop]: Abstraction has 1631 states and 2322 transitions. [2024-11-23 18:35:07,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-23 18:35:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2322 transitions. [2024-11-23 18:35:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-23 18:35:07,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:07,867 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:07,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:35:07,868 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:07,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:07,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1856581570, now seen corresponding path program 1 times [2024-11-23 18:35:07,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:07,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484685996] [2024-11-23 18:35:07,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:07,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-23 18:35:09,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:09,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484685996] [2024-11-23 18:35:09,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484685996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:09,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:09,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:09,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435293143] [2024-11-23 18:35:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:09,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:09,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:09,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:09,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:09,199 INFO L87 Difference]: Start difference. First operand 1631 states and 2322 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-23 18:35:13,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:35:13,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:13,512 INFO L93 Difference]: Finished difference Result 4738 states and 6743 transitions. [2024-11-23 18:35:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:13,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 260 [2024-11-23 18:35:13,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:13,541 INFO L225 Difference]: With dead ends: 4738 [2024-11-23 18:35:13,541 INFO L226 Difference]: Without dead ends: 3158 [2024-11-23 18:35:13,549 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 18:35:13,550 INFO L435 NwaCegarLoop]: 1292 mSDtfsCounter, 1099 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:13,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 2514 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:35:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2024-11-23 18:35:13,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3154. [2024-11-23 18:35:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2376 states have (on average 1.3981481481481481) internal successors, (3322), 2393 states have internal predecessors, (3322), 585 states have call successors, (585), 193 states have call predecessors, (585), 192 states have return successors, (580), 579 states have call predecessors, (580), 580 states have call successors, (580) [2024-11-23 18:35:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4487 transitions. [2024-11-23 18:35:13,761 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4487 transitions. Word has length 260 [2024-11-23 18:35:13,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:13,762 INFO L471 AbstractCegarLoop]: Abstraction has 3154 states and 4487 transitions. [2024-11-23 18:35:13,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-23 18:35:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4487 transitions. [2024-11-23 18:35:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-23 18:35:13,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:13,807 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:13,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:35:13,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:13,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:13,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1839836772, now seen corresponding path program 1 times [2024-11-23 18:35:13,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:13,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247630933] [2024-11-23 18:35:13,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:13,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-23 18:35:14,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:14,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247630933] [2024-11-23 18:35:14,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247630933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:14,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:14,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:14,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613770466] [2024-11-23 18:35:14,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:14,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:14,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:14,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:14,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:14,871 INFO L87 Difference]: Start difference. First operand 3154 states and 4487 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-23 18:35:15,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:15,239 INFO L93 Difference]: Finished difference Result 9238 states and 13117 transitions. [2024-11-23 18:35:15,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:15,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 264 [2024-11-23 18:35:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:15,290 INFO L225 Difference]: With dead ends: 9238 [2024-11-23 18:35:15,290 INFO L226 Difference]: Without dead ends: 6135 [2024-11-23 18:35:15,307 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 18:35:15,308 INFO L435 NwaCegarLoop]: 1280 mSDtfsCounter, 1157 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:15,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2433 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:35:15,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2024-11-23 18:35:15,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 6118. [2024-11-23 18:35:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6118 states, 4632 states have (on average 1.400259067357513) internal successors, (6486), 4663 states have internal predecessors, (6486), 1101 states have call successors, (1101), 385 states have call predecessors, (1101), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-23 18:35:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8683 transitions. [2024-11-23 18:35:15,676 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8683 transitions. Word has length 264 [2024-11-23 18:35:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:15,678 INFO L471 AbstractCegarLoop]: Abstraction has 6118 states and 8683 transitions. [2024-11-23 18:35:15,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-23 18:35:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8683 transitions. [2024-11-23 18:35:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-23 18:35:15,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:15,684 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:15,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:35:15,685 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:15,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2047507099, now seen corresponding path program 1 times [2024-11-23 18:35:15,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:15,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144704040] [2024-11-23 18:35:15,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:15,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-23 18:35:16,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:16,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144704040] [2024-11-23 18:35:16,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144704040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:16,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:16,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:16,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760376620] [2024-11-23 18:35:16,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:16,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:16,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:16,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:16,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:16,901 INFO L87 Difference]: Start difference. First operand 6118 states and 8683 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:35:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:17,093 INFO L93 Difference]: Finished difference Result 6120 states and 8684 transitions. [2024-11-23 18:35:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:17,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 262 [2024-11-23 18:35:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:17,137 INFO L225 Difference]: With dead ends: 6120 [2024-11-23 18:35:17,138 INFO L226 Difference]: Without dead ends: 6117 [2024-11-23 18:35:17,143 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 18:35:17,145 INFO L435 NwaCegarLoop]: 1234 mSDtfsCounter, 1168 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:17,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1234 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2024-11-23 18:35:17,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117. [2024-11-23 18:35:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6117 states, 4632 states have (on average 1.4000431778929188) internal successors, (6485), 4662 states have internal predecessors, (6485), 1100 states have call successors, (1100), 385 states have call predecessors, (1100), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-23 18:35:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8681 transitions. [2024-11-23 18:35:17,631 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8681 transitions. Word has length 262 [2024-11-23 18:35:17,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:17,632 INFO L471 AbstractCegarLoop]: Abstraction has 6117 states and 8681 transitions. [2024-11-23 18:35:17,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:35:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8681 transitions. [2024-11-23 18:35:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-23 18:35:17,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:17,638 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:17,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:35:17,639 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:17,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash 951490624, now seen corresponding path program 1 times [2024-11-23 18:35:17,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:17,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541830103] [2024-11-23 18:35:17,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-23 18:35:18,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:18,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541830103] [2024-11-23 18:35:18,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541830103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:18,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:18,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:18,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639315172] [2024-11-23 18:35:18,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:18,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:18,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:18,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:18,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:18,668 INFO L87 Difference]: Start difference. First operand 6117 states and 8681 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:35:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:18,922 INFO L93 Difference]: Finished difference Result 6119 states and 8682 transitions. [2024-11-23 18:35:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2024-11-23 18:35:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:18,965 INFO L225 Difference]: With dead ends: 6119 [2024-11-23 18:35:18,965 INFO L226 Difference]: Without dead ends: 6116 [2024-11-23 18:35:18,970 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 18:35:18,971 INFO L435 NwaCegarLoop]: 1232 mSDtfsCounter, 1165 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:18,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 1232 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:18,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6116 states. [2024-11-23 18:35:19,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6116 to 6116. [2024-11-23 18:35:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6116 states, 4632 states have (on average 1.3998272884283247) internal successors, (6484), 4661 states have internal predecessors, (6484), 1099 states have call successors, (1099), 385 states have call predecessors, (1099), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-23 18:35:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6116 states to 6116 states and 8679 transitions. [2024-11-23 18:35:19,322 INFO L78 Accepts]: Start accepts. Automaton has 6116 states and 8679 transitions. Word has length 263 [2024-11-23 18:35:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:19,323 INFO L471 AbstractCegarLoop]: Abstraction has 6116 states and 8679 transitions. [2024-11-23 18:35:19,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:35:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 6116 states and 8679 transitions. [2024-11-23 18:35:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-23 18:35:19,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:19,328 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:19,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:35:19,329 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:19,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:19,329 INFO L85 PathProgramCache]: Analyzing trace with hash -568855608, now seen corresponding path program 1 times [2024-11-23 18:35:19,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:19,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465826489] [2024-11-23 18:35:19,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:19,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-23 18:35:20,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:20,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465826489] [2024-11-23 18:35:20,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465826489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:20,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:20,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:20,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817599564] [2024-11-23 18:35:20,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:20,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:20,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:20,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:20,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:20,332 INFO L87 Difference]: Start difference. First operand 6116 states and 8679 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:35:20,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:20,730 INFO L93 Difference]: Finished difference Result 13391 states and 19026 transitions. [2024-11-23 18:35:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:20,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 264 [2024-11-23 18:35:20,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:20,808 INFO L225 Difference]: With dead ends: 13391 [2024-11-23 18:35:20,808 INFO L226 Difference]: Without dead ends: 7320 [2024-11-23 18:35:20,836 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 18:35:20,838 INFO L435 NwaCegarLoop]: 1236 mSDtfsCounter, 1110 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:20,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1668 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:20,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2024-11-23 18:35:21,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7290. [2024-11-23 18:35:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7290 states, 5497 states have (on average 1.3882117518646535) internal successors, (7631), 5541 states have internal predecessors, (7631), 1298 states have call successors, (1298), 508 states have call predecessors, (1298), 494 states have return successors, (1318), 1276 states have call predecessors, (1318), 1294 states have call successors, (1318) [2024-11-23 18:35:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 10247 transitions. [2024-11-23 18:35:21,591 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 10247 transitions. Word has length 264 [2024-11-23 18:35:21,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:21,600 INFO L471 AbstractCegarLoop]: Abstraction has 7290 states and 10247 transitions. [2024-11-23 18:35:21,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:35:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 10247 transitions. [2024-11-23 18:35:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-23 18:35:21,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:21,622 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:35:21,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:35:21,622 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:21,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:21,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1412541440, now seen corresponding path program 1 times [2024-11-23 18:35:21,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:21,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712852814] [2024-11-23 18:35:21,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:21,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-11-23 18:35:23,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:23,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712852814] [2024-11-23 18:35:23,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712852814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:23,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:23,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:23,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581490560] [2024-11-23 18:35:23,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:23,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:23,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:23,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:23,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:23,041 INFO L87 Difference]: Start difference. First operand 7290 states and 10247 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:35:23,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:23,796 INFO L93 Difference]: Finished difference Result 21586 states and 30287 transitions. [2024-11-23 18:35:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:23,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 372 [2024-11-23 18:35:23,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:23,885 INFO L225 Difference]: With dead ends: 21586 [2024-11-23 18:35:23,885 INFO L226 Difference]: Without dead ends: 14347 [2024-11-23 18:35:23,919 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 18:35:23,920 INFO L435 NwaCegarLoop]: 1323 mSDtfsCounter, 1168 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:23,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 2454 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:35:23,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14347 states. [2024-11-23 18:35:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14347 to 14336. [2024-11-23 18:35:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14336 states, 10821 states have (on average 1.386285925515202) internal successors, (15001), 10909 states have internal predecessors, (15001), 2526 states have call successors, (2526), 1014 states have call predecessors, (2526), 988 states have return successors, (2570), 2484 states have call predecessors, (2570), 2522 states have call successors, (2570) [2024-11-23 18:35:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14336 states to 14336 states and 20097 transitions. [2024-11-23 18:35:24,713 INFO L78 Accepts]: Start accepts. Automaton has 14336 states and 20097 transitions. Word has length 372 [2024-11-23 18:35:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:24,715 INFO L471 AbstractCegarLoop]: Abstraction has 14336 states and 20097 transitions. [2024-11-23 18:35:24,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:35:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 14336 states and 20097 transitions. [2024-11-23 18:35:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-23 18:35:24,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:24,724 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:35:24,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:35:24,725 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:24,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash 179209799, now seen corresponding path program 1 times [2024-11-23 18:35:24,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784664754] [2024-11-23 18:35:24,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-11-23 18:35:25,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:25,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784664754] [2024-11-23 18:35:25,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784664754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:25,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:25,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:25,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419935971] [2024-11-23 18:35:25,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:25,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:25,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:25,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:25,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:25,789 INFO L87 Difference]: Start difference. First operand 14336 states and 20097 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:35:26,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:26,990 INFO L93 Difference]: Finished difference Result 39548 states and 55333 transitions. [2024-11-23 18:35:26,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:26,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 375 [2024-11-23 18:35:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:27,136 INFO L225 Difference]: With dead ends: 39548 [2024-11-23 18:35:27,137 INFO L226 Difference]: Without dead ends: 25263 [2024-11-23 18:35:27,189 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 18:35:27,190 INFO L435 NwaCegarLoop]: 2066 mSDtfsCounter, 1137 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 3197 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:27,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 3197 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:35:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25263 states. [2024-11-23 18:35:28,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25263 to 25254. [2024-11-23 18:35:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25254 states, 18999 states have (on average 1.3817043002263276) internal successors, (26251), 19159 states have internal predecessors, (26251), 4472 states have call successors, (4472), 1824 states have call predecessors, (4472), 1782 states have return successors, (4564), 4402 states have call predecessors, (4564), 4468 states have call successors, (4564) [2024-11-23 18:35:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25254 states to 25254 states and 35287 transitions. [2024-11-23 18:35:29,189 INFO L78 Accepts]: Start accepts. Automaton has 25254 states and 35287 transitions. Word has length 375 [2024-11-23 18:35:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:29,190 INFO L471 AbstractCegarLoop]: Abstraction has 25254 states and 35287 transitions. [2024-11-23 18:35:29,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:35:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 25254 states and 35287 transitions. [2024-11-23 18:35:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-11-23 18:35:29,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:29,209 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:35:29,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:35:29,210 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:29,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:29,210 INFO L85 PathProgramCache]: Analyzing trace with hash 506070834, now seen corresponding path program 1 times [2024-11-23 18:35:29,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:29,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762367298] [2024-11-23 18:35:29,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:29,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2745 trivial. 0 not checked. [2024-11-23 18:35:30,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:30,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762367298] [2024-11-23 18:35:30,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762367298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:30,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:30,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:30,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069767671] [2024-11-23 18:35:30,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:30,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:30,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:30,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:30,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:30,528 INFO L87 Difference]: Start difference. First operand 25254 states and 35287 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 18:35:34,554 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 18:35:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:35,596 INFO L93 Difference]: Finished difference Result 28892 states and 40017 transitions. [2024-11-23 18:35:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:35,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 457 [2024-11-23 18:35:35,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:35,722 INFO L225 Difference]: With dead ends: 28892 [2024-11-23 18:35:35,723 INFO L226 Difference]: Without dead ends: 24372 [2024-11-23 18:35:35,745 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 18:35:35,746 INFO L435 NwaCegarLoop]: 1473 mSDtfsCounter, 426 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2632 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:35,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2632 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:35:35,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24372 states. [2024-11-23 18:35:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24372 to 24280. [2024-11-23 18:35:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 18300 states have (on average 1.3818579234972677) internal successors, (25288), 18459 states have internal predecessors, (25288), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-23 18:35:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 33793 transitions. [2024-11-23 18:35:36,947 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 33793 transitions. Word has length 457 [2024-11-23 18:35:36,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:36,949 INFO L471 AbstractCegarLoop]: Abstraction has 24280 states and 33793 transitions. [2024-11-23 18:35:36,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 18:35:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 33793 transitions. [2024-11-23 18:35:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-23 18:35:37,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:37,054 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:37,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:35:37,055 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:37,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:37,056 INFO L85 PathProgramCache]: Analyzing trace with hash -562688346, now seen corresponding path program 1 times [2024-11-23 18:35:37,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:37,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189932623] [2024-11-23 18:35:37,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2024-11-23 18:35:38,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:38,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189932623] [2024-11-23 18:35:38,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189932623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:38,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:38,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:35:38,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794534713] [2024-11-23 18:35:38,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:38,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:35:38,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:38,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:35:38,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:35:38,318 INFO L87 Difference]: Start difference. First operand 24280 states and 33793 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-23 18:35:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:39,945 INFO L93 Difference]: Finished difference Result 48533 states and 67591 transitions. [2024-11-23 18:35:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:35:39,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 556 [2024-11-23 18:35:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:40,123 INFO L225 Difference]: With dead ends: 48533 [2024-11-23 18:35:40,123 INFO L226 Difference]: Without dead ends: 24304 [2024-11-23 18:35:40,215 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 18:35:40,215 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 0 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:40,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2441 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24304 states. [2024-11-23 18:35:41,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24304 to 24304. [2024-11-23 18:35:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 18324 states have (on average 1.3813577821436367) internal successors, (25312), 18483 states have internal predecessors, (25312), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-23 18:35:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 33817 transitions. [2024-11-23 18:35:41,986 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 33817 transitions. Word has length 556 [2024-11-23 18:35:41,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:41,987 INFO L471 AbstractCegarLoop]: Abstraction has 24304 states and 33817 transitions. [2024-11-23 18:35:41,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-23 18:35:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 33817 transitions. [2024-11-23 18:35:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2024-11-23 18:35:42,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:42,075 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:42,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:35:42,075 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:42,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:42,076 INFO L85 PathProgramCache]: Analyzing trace with hash -947902488, now seen corresponding path program 1 times [2024-11-23 18:35:42,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:42,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669177551] [2024-11-23 18:35:42,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2024-11-23 18:35:43,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:43,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669177551] [2024-11-23 18:35:43,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669177551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:43,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044307860] [2024-11-23 18:35:43,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:43,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:43,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:43,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:43,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:35:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:46,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 4405 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:35:46,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2024-11-23 18:35:46,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:46,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044307860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:46,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:46,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-23 18:35:46,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548166057] [2024-11-23 18:35:46,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:46,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:46,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:46,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:46,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:35:46,476 INFO L87 Difference]: Start difference. First operand 24304 states and 33817 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-23 18:35:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:47,616 INFO L93 Difference]: Finished difference Result 49317 states and 68967 transitions. [2024-11-23 18:35:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:47,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 557 [2024-11-23 18:35:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:47,742 INFO L225 Difference]: With dead ends: 49317 [2024-11-23 18:35:47,742 INFO L226 Difference]: Without dead ends: 24304 [2024-11-23 18:35:47,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:35:47,821 INFO L435 NwaCegarLoop]: 1222 mSDtfsCounter, 54 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3623 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:47,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3623 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:35:47,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24304 states. [2024-11-23 18:35:49,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24304 to 24304. [2024-11-23 18:35:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 18324 states have (on average 1.3791748526522594) internal successors, (25272), 18483 states have internal predecessors, (25272), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-23 18:35:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 33777 transitions. [2024-11-23 18:35:49,436 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 33777 transitions. Word has length 557 [2024-11-23 18:35:49,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:49,439 INFO L471 AbstractCegarLoop]: Abstraction has 24304 states and 33777 transitions. [2024-11-23 18:35:49,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-23 18:35:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 33777 transitions. [2024-11-23 18:35:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-11-23 18:35:49,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:49,521 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:49,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:35:49,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 18:35:49,722 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:49,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:49,723 INFO L85 PathProgramCache]: Analyzing trace with hash -332532442, now seen corresponding path program 1 times [2024-11-23 18:35:49,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:49,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967129746] [2024-11-23 18:35:49,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2790 trivial. 0 not checked. [2024-11-23 18:35:52,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:52,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967129746] [2024-11-23 18:35:52,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967129746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:52,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:52,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:35:52,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432058930] [2024-11-23 18:35:52,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:52,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:52,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:52,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:52,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:35:52,030 INFO L87 Difference]: Start difference. First operand 24304 states and 33777 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-23 18:35:52,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:52,915 INFO L93 Difference]: Finished difference Result 48605 states and 67583 transitions. [2024-11-23 18:35:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:52,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 559 [2024-11-23 18:35:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:53,057 INFO L225 Difference]: With dead ends: 48605 [2024-11-23 18:35:53,057 INFO L226 Difference]: Without dead ends: 24352 [2024-11-23 18:35:53,215 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 18:35:53,216 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 0 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3655 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:53,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3655 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:35:53,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24352 states. [2024-11-23 18:35:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24352 to 24328. [2024-11-23 18:35:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 18348 states have (on average 1.3786788750817527) internal successors, (25296), 18507 states have internal predecessors, (25296), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-23 18:35:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 33801 transitions. [2024-11-23 18:35:54,300 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 33801 transitions. Word has length 559 [2024-11-23 18:35:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:54,301 INFO L471 AbstractCegarLoop]: Abstraction has 24328 states and 33801 transitions. [2024-11-23 18:35:54,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-23 18:35:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 33801 transitions. [2024-11-23 18:35:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-23 18:35:54,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:54,367 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:54,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:35:54,367 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:54,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:54,368 INFO L85 PathProgramCache]: Analyzing trace with hash 243485093, now seen corresponding path program 1 times [2024-11-23 18:35:54,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:54,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441093929] [2024-11-23 18:35:54,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:54,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2024-11-23 18:35:58,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441093929] [2024-11-23 18:35:58,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441093929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369648825] [2024-11-23 18:35:58,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:58,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:58,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:58,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:59,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:36:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:01,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-23 18:36:01,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:01,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-11-23 18:36:02,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-23 18:36:02,598 WARN L873 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= (store |c_old(#memory_int#3)| |#Ultimate.meminit_#ptr.base| ((as const (Array Int Int)) 0)) |c_#memory_int#3|)) is different from true [2024-11-23 18:36:02,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-11-23 18:36:03,038 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2024-11-23 18:36:03,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2024-11-23 18:36:03,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-23 18:36:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 410 proven. 3 refuted. 0 times theorem prover too weak. 2373 trivial. 4 not checked. [2024-11-23 18:36:03,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:05,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369648825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:05,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:36:05,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2024-11-23 18:36:05,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922199604] [2024-11-23 18:36:05,950 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:36:05,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-23 18:36:05,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:05,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-23 18:36:05,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=572, Unknown=18, NotChecked=48, Total=702 [2024-11-23 18:36:05,954 INFO L87 Difference]: Start difference. First operand 24328 states and 33801 transitions. Second operand has 23 states, 23 states have (on average 10.0) internal successors, (230), 17 states have internal predecessors, (230), 6 states have call successors, (67), 5 states have call predecessors, (67), 10 states have return successors, (64), 11 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-23 18:36:09,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:36:58,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:58,929 INFO L93 Difference]: Finished difference Result 82313 states and 117407 transitions. [2024-11-23 18:36:58,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-23 18:36:58,930 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.0) internal successors, (230), 17 states have internal predecessors, (230), 6 states have call successors, (67), 5 states have call predecessors, (67), 10 states have return successors, (64), 11 states have call predecessors, (64), 6 states have call successors, (64) Word has length 560 [2024-11-23 18:36:58,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:59,519 INFO L225 Difference]: With dead ends: 82313 [2024-11-23 18:36:59,520 INFO L226 Difference]: Without dead ends: 58036 [2024-11-23 18:36:59,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 687 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=363, Invalid=3529, Unknown=18, NotChecked=122, Total=4032 [2024-11-23 18:36:59,685 INFO L435 NwaCegarLoop]: 1213 mSDtfsCounter, 2380 mSDsluCounter, 20549 mSDsCounter, 0 mSdLazyCounter, 10459 mSolverCounterSat, 792 mSolverCounterUnsat, 714 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 21762 SdHoareTripleChecker+Invalid, 15082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 10459 IncrementalHoareTripleChecker+Invalid, 714 IncrementalHoareTripleChecker+Unknown, 3117 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:59,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 21762 Invalid, 15082 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [792 Valid, 10459 Invalid, 714 Unknown, 3117 Unchecked, 46.3s Time] [2024-11-23 18:36:59,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58036 states. [2024-11-23 18:37:03,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58036 to 54440. [2024-11-23 18:37:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54440 states, 41430 states have (on average 1.3814385710837558) internal successors, (57233), 41825 states have internal predecessors, (57233), 8769 states have call successors, (8769), 3683 states have call predecessors, (8769), 4240 states have return successors, (11132), 9051 states have call predecessors, (11132), 8732 states have call successors, (11132) [2024-11-23 18:37:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54440 states to 54440 states and 77134 transitions. [2024-11-23 18:37:03,600 INFO L78 Accepts]: Start accepts. Automaton has 54440 states and 77134 transitions. Word has length 560 [2024-11-23 18:37:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:03,602 INFO L471 AbstractCegarLoop]: Abstraction has 54440 states and 77134 transitions. [2024-11-23 18:37:03,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.0) internal successors, (230), 17 states have internal predecessors, (230), 6 states have call successors, (67), 5 states have call predecessors, (67), 10 states have return successors, (64), 11 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-23 18:37:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 54440 states and 77134 transitions. [2024-11-23 18:37:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2024-11-23 18:37:03,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:03,793 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:03,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:37:03,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-23 18:37:03,998 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:03,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1658845831, now seen corresponding path program 1 times [2024-11-23 18:37:04,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233071517] [2024-11-23 18:37:04,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2783 trivial. 0 not checked. [2024-11-23 18:37:06,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:06,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233071517] [2024-11-23 18:37:06,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233071517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:06,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:06,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:37:06,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15509425] [2024-11-23 18:37:06,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:06,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:37:06,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:06,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:37:06,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:37:06,502 INFO L87 Difference]: Start difference. First operand 54440 states and 77134 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-23 18:37:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:09,265 INFO L93 Difference]: Finished difference Result 112446 states and 160130 transitions. [2024-11-23 18:37:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:37:09,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 569 [2024-11-23 18:37:09,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:09,591 INFO L225 Difference]: With dead ends: 112446 [2024-11-23 18:37:09,591 INFO L226 Difference]: Without dead ends: 58057 [2024-11-23 18:37:09,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:37:09,766 INFO L435 NwaCegarLoop]: 1307 mSDtfsCounter, 135 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 7729 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:09,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 7729 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:37:09,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58057 states. [2024-11-23 18:37:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58057 to 57520. [2024-11-23 18:37:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57520 states, 43622 states have (on average 1.3806107010224198) internal successors, (60225), 44057 states have internal predecessors, (60225), 9553 states have call successors, (9553), 3787 states have call predecessors, (9553), 4344 states have return successors, (11972), 9835 states have call predecessors, (11972), 9516 states have call successors, (11972) [2024-11-23 18:37:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57520 states to 57520 states and 81750 transitions. [2024-11-23 18:37:13,662 INFO L78 Accepts]: Start accepts. Automaton has 57520 states and 81750 transitions. Word has length 569 [2024-11-23 18:37:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:13,664 INFO L471 AbstractCegarLoop]: Abstraction has 57520 states and 81750 transitions. [2024-11-23 18:37:13,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-23 18:37:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 57520 states and 81750 transitions. [2024-11-23 18:37:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2024-11-23 18:37:13,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:13,889 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:13,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:37:13,890 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:13,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:13,890 INFO L85 PathProgramCache]: Analyzing trace with hash -288216019, now seen corresponding path program 1 times [2024-11-23 18:37:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:13,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666393805] [2024-11-23 18:37:13,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2783 trivial. 0 not checked. [2024-11-23 18:37:15,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:15,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666393805] [2024-11-23 18:37:15,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666393805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:15,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:15,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:37:15,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165741401] [2024-11-23 18:37:15,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:15,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:37:15,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:15,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:37:15,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:37:15,396 INFO L87 Difference]: Start difference. First operand 57520 states and 81750 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-23 18:37:18,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:18,290 INFO L93 Difference]: Finished difference Result 115711 states and 165019 transitions. [2024-11-23 18:37:18,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:37:18,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 568 [2024-11-23 18:37:18,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:18,518 INFO L225 Difference]: With dead ends: 115711 [2024-11-23 18:37:18,518 INFO L226 Difference]: Without dead ends: 58242 [2024-11-23 18:37:18,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:37:18,875 INFO L435 NwaCegarLoop]: 1307 mSDtfsCounter, 136 mSDsluCounter, 6415 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 7722 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:18,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 7722 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:37:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58242 states. [2024-11-23 18:37:21,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58242 to 58161. [2024-11-23 18:37:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58161 states, 44114 states have (on average 1.380174094391803) internal successors, (60885), 44525 states have internal predecessors, (60885), 9702 states have call successors, (9702), 3754 states have call predecessors, (9702), 4344 states have return successors, (12180), 10049 states have call predecessors, (12180), 9700 states have call successors, (12180) [2024-11-23 18:37:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58161 states to 58161 states and 82767 transitions. [2024-11-23 18:37:21,954 INFO L78 Accepts]: Start accepts. Automaton has 58161 states and 82767 transitions. Word has length 568 [2024-11-23 18:37:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:21,954 INFO L471 AbstractCegarLoop]: Abstraction has 58161 states and 82767 transitions. [2024-11-23 18:37:21,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-23 18:37:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 58161 states and 82767 transitions. [2024-11-23 18:37:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2024-11-23 18:37:22,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:22,097 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:22,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:37:22,097 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:22,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:22,098 INFO L85 PathProgramCache]: Analyzing trace with hash 749520129, now seen corresponding path program 1 times [2024-11-23 18:37:22,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:22,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497025085] [2024-11-23 18:37:22,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:22,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2980 trivial. 0 not checked. [2024-11-23 18:37:23,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:23,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497025085] [2024-11-23 18:37:23,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497025085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:23,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:23,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:37:23,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945243562] [2024-11-23 18:37:23,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:23,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:37:23,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:23,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:37:23,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:37:23,182 INFO L87 Difference]: Start difference. First operand 58161 states and 82767 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-23 18:37:25,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:25,750 INFO L93 Difference]: Finished difference Result 116295 states and 165603 transitions. [2024-11-23 18:37:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:37:25,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 613 [2024-11-23 18:37:25,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:26,006 INFO L225 Difference]: With dead ends: 116295 [2024-11-23 18:37:26,007 INFO L226 Difference]: Without dead ends: 58185 [2024-11-23 18:37:26,153 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 18:37:26,154 INFO L435 NwaCegarLoop]: 1220 mSDtfsCounter, 0 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2435 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:26,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2435 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:37:26,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58185 states. [2024-11-23 18:37:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58185 to 58185. [2024-11-23 18:37:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58185 states, 44138 states have (on average 1.3799673750509764) internal successors, (60909), 44549 states have internal predecessors, (60909), 9702 states have call successors, (9702), 3754 states have call predecessors, (9702), 4344 states have return successors, (12180), 10049 states have call predecessors, (12180), 9700 states have call successors, (12180) [2024-11-23 18:37:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58185 states to 58185 states and 82791 transitions. [2024-11-23 18:37:29,758 INFO L78 Accepts]: Start accepts. Automaton has 58185 states and 82791 transitions. Word has length 613 [2024-11-23 18:37:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:29,758 INFO L471 AbstractCegarLoop]: Abstraction has 58185 states and 82791 transitions. [2024-11-23 18:37:29,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-23 18:37:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 58185 states and 82791 transitions. [2024-11-23 18:37:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2024-11-23 18:37:29,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:29,888 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:29,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:37:29,888 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:29,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1349038534, now seen corresponding path program 1 times [2024-11-23 18:37:29,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:29,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129576747] [2024-11-23 18:37:29,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2841 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 2807 trivial. 0 not checked. [2024-11-23 18:37:33,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:33,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129576747] [2024-11-23 18:37:33,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129576747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:37:33,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320223793] [2024-11-23 18:37:33,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:33,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:37:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:37:33,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:37:33,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cf95cf-8ec7-4d72-9a2c-dd4dd1fc7a72/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:37:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:36,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 4548 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:37:36,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2841 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2829 trivial. 0 not checked. [2024-11-23 18:37:36,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:37:36,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320223793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:36,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:37:36,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-23 18:37:36,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170458201] [2024-11-23 18:37:36,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:36,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:37:36,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:36,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:37:36,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:37:36,916 INFO L87 Difference]: Start difference. First operand 58185 states and 82791 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 5 states have internal predecessors, (159), 4 states have call successors, (53), 5 states have call predecessors, (53), 2 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 18:37:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:40,014 INFO L93 Difference]: Finished difference Result 117759 states and 167947 transitions. [2024-11-23 18:37:40,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:37:40,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 5 states have internal predecessors, (159), 4 states have call successors, (53), 5 states have call predecessors, (53), 2 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 600 [2024-11-23 18:37:40,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:40,256 INFO L225 Difference]: With dead ends: 117759 [2024-11-23 18:37:40,256 INFO L226 Difference]: Without dead ends: 59625 [2024-11-23 18:37:40,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-23 18:37:40,397 INFO L435 NwaCegarLoop]: 1312 mSDtfsCounter, 140 mSDsluCounter, 6282 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 7594 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:40,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 7594 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:37:40,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59625 states.