./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-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ --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 230b725329634d718374ec3f6d82161758e5d9913588383fdc3e35a9fd1533f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:35:22,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:35:23,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 21:35:23,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:35:23,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:35:23,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:35:23,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:35:23,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:35:23,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:35:23,170 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:35:23,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:35:23,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:35:23,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:35:23,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:35:23,174 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:35:23,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:35:23,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:35:23,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:35:23,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:35:23,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:35:23,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:35:23,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:35:23,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:35:23,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:35:23,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:35:23,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:35:23,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:35:23,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:35:23,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:35:23,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:35:23,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:35:23,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:35:23,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:35:23,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:35:23,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:35:23,185 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:35:23,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:35:23,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:35:23,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:35:23,186 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 230b725329634d718374ec3f6d82161758e5d9913588383fdc3e35a9fd1533f5 [2023-11-23 21:35:23,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:35:23,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:35:23,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:35:23,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:35:23,543 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:35:23,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2023-11-23 21:35:26,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:35:27,185 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:35:27,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2023-11-23 21:35:27,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/data/b90ae6424/eafc092e93294400adc28ed8e222433a/FLAGd26ef890c [2023-11-23 21:35:27,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/data/b90ae6424/eafc092e93294400adc28ed8e222433a [2023-11-23 21:35:27,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:35:27,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:35:27,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:35:27,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:35:27,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:35:27,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:35:27" (1/1) ... [2023-11-23 21:35:27,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28016c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:27, skipping insertion in model container [2023-11-23 21:35:27,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:35:27" (1/1) ... [2023-11-23 21:35:27,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:35:28,583 WARN L240 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_23a2d0f4-df48-4594-88e0-b7db067345f1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2023-11-23 21:35:28,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:35:28,691 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:35:28,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [4273-4274] [2023-11-23 21:35:28,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4285-4286] [2023-11-23 21:35:28,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4289-4290] [2023-11-23 21:35:28,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4293-4294] [2023-11-23 21:35:28,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4297-4298] [2023-11-23 21:35:29,044 WARN L240 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_23a2d0f4-df48-4594-88e0-b7db067345f1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2023-11-23 21:35:29,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:35:29,121 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:35:29,121 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:35:29,122 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:35:29,130 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:35:29,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29 WrapperNode [2023-11-23 21:35:29,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:35:29,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:35:29,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:35:29,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:35:29,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,321 INFO L138 Inliner]: procedures = 147, calls = 885, calls flagged for inlining = 61, calls inlined = 59, statements flattened = 2100 [2023-11-23 21:35:29,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:35:29,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:35:29,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:35:29,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:35:29,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,356 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,810 INFO L189 HeapSplitter]: Split 540 memory accesses to 19 slices as follows [2, 182, 0, 5, 0, 2, 2, 3, 16, 0, 217, 14, 4, 3, 55, 8, 11, 14, 2] [2023-11-23 21:35:29,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:35:29,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:35:29,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:35:29,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:35:29,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (1/1) ... [2023-11-23 21:35:29,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:35:30,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:30,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:35:30,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:35:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 21:35:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 21:35:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 21:35:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 21:35:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 21:35:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 21:35:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 21:35:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 21:35:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 21:35:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 21:35:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 21:35:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 21:35:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 21:35:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-23 21:35:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-23 21:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-23 21:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-23 21:35:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-23 21:35:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-23 21:35:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-23 21:35:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-23 21:35:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:35:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 21:35:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 21:35:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 21:35:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 21:35:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 21:35:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 21:35:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 21:35:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 21:35:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 21:35:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 21:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 21:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 21:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 21:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-23 21:35:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-23 21:35:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-23 21:35:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-23 21:35:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-23 21:35:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-23 21:35:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 21:35:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 21:35:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 21:35:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 21:35:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 21:35:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 21:35:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 21:35:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 21:35:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 21:35:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 21:35:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 21:35:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 21:35:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 21:35:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-23 21:35:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-23 21:35:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-23 21:35:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-23 21:35:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-23 21:35:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-23 21:35:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:35:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:35:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:35:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:35:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:35:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 21:35:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 21:35:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 21:35:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 21:35:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 21:35:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 21:35:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 21:35:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 21:35:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 21:35:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 21:35:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 21:35:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 21:35:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 21:35:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-23 21:35:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-23 21:35:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-23 21:35:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:35:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:35:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 21:35:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 21:35:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 21:35:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 21:35:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 21:35:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 21:35:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 21:35:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 21:35:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 21:35:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 21:35:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 21:35:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 21:35:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-23 21:35:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-23 21:35:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-23 21:35:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-23 21:35:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-23 21:35:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-23 21:35:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-23 21:35:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 21:35:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 21:35:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 21:35:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 21:35:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 21:35:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 21:35:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 21:35:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 21:35:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 21:35:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 21:35:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 21:35:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 21:35:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-23 21:35:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-23 21:35:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-23 21:35:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-23 21:35:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-23 21:35:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-23 21:35:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-23 21:35:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:35:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:35:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_rdac_data [2023-11-23 21:35:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rdac_data [2023-11-23 21:35:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2023-11-23 21:35:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2023-11-23 21:35:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-23 21:35:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-23 21:35:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:35:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:35:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:35:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:35:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:35:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 21:35:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 21:35:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 21:35:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 21:35:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 21:35:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 21:35:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 21:35:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 21:35:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 21:35:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 21:35:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 21:35:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 21:35:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 21:35:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-23 21:35:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-23 21:35:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-23 21:35:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:35:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:35:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure send_mode_select [2023-11-23 21:35:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure send_mode_select [2023-11-23 21:35:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:35:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:35:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:35:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:35:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 21:35:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-23 21:35:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-23 21:35:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-23 21:35:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-23 21:35:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-23 21:35:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 21:35:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 21:35:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 21:35:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-23 21:35:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-23 21:35:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-23 21:35:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:35:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:35:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:35:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:35:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:35:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:35:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:35:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unregister_device_handler [2023-11-23 21:35:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unregister_device_handler [2023-11-23 21:35:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:35:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:35:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:35:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:35:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:35:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure submit_inquiry [2023-11-23 21:35:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_inquiry [2023-11-23 21:35:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure rdac_bus_detach [2023-11-23 21:35:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rdac_bus_detach [2023-11-23 21:35:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:35:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 21:35:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 21:35:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 21:35:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 21:35:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-23 21:35:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-23 21:35:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-23 21:35:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure rdac_match [2023-11-23 21:35:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure rdac_match [2023-11-23 21:35:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:35:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:35:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:35:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2023-11-23 21:35:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2023-11-23 21:35:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:35:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:35:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-11-23 21:35:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-11-23 21:35:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 21:35:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 21:35:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 21:35:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-23 21:35:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-23 21:35:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-23 21:35:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-23 21:35:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-23 21:35:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-23 21:35:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:35:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:35:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure check_ownership [2023-11-23 21:35:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ownership [2023-11-23 21:35:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-23 21:35:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-23 21:35:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:35:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 21:35:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 21:35:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 21:35:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 21:35:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 21:35:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 21:35:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 21:35:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 21:35:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 21:35:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 21:35:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 21:35:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-23 21:35:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_rdac_req [2023-11-23 21:35:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rdac_req [2023-11-23 21:35:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:35:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:35:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:35:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:35:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:35:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:35:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 21:35:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-23 21:35:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:35:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:35:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:35:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:35:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:35:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:35:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 21:35:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-23 21:35:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:35:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 21:35:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 21:35:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:35:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:35:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:35:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:35:30,885 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:35:30,892 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:35:31,676 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:35:33,974 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:35:34,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:35:34,231 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:35:34,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:35:34 BoogieIcfgContainer [2023-11-23 21:35:34,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:35:34,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:35:34,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:35:34,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:35:34,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:35:27" (1/3) ... [2023-11-23 21:35:34,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d59093a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:35:34, skipping insertion in model container [2023-11-23 21:35:34,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:29" (2/3) ... [2023-11-23 21:35:34,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d59093a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:35:34, skipping insertion in model container [2023-11-23 21:35:34,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:35:34" (3/3) ... [2023-11-23 21:35:34,244 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2023-11-23 21:35:34,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:35:34,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:35:34,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:35:34,357 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7360bff4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:35:34,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:35:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 544 states, 376 states have (on average 1.476063829787234) internal successors, (555), 396 states have internal predecessors, (555), 125 states have call successors, (125), 42 states have call predecessors, (125), 41 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-23 21:35:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 21:35:34,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:34,382 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:34,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:35:34,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:34,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1486014560, now seen corresponding path program 1 times [2023-11-23 21:35:34,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:34,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420647177] [2023-11-23 21:35:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:34,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:35:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:35:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:35:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 21:35:35,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:35,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420647177] [2023-11-23 21:35:35,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420647177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:35,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:35,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:35:35,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899558838] [2023-11-23 21:35:35,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:35,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:35:35,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:35,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:35:35,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:35:35,603 INFO L87 Difference]: Start difference. First operand has 544 states, 376 states have (on average 1.476063829787234) internal successors, (555), 396 states have internal predecessors, (555), 125 states have call successors, (125), 42 states have call predecessors, (125), 41 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 21:35:40,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:40,237 INFO L93 Difference]: Finished difference Result 1157 states and 1775 transitions. [2023-11-23 21:35:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:35:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2023-11-23 21:35:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:40,265 INFO L225 Difference]: With dead ends: 1157 [2023-11-23 21:35:40,265 INFO L226 Difference]: Without dead ends: 604 [2023-11-23 21:35:40,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:35:40,287 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 473 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:40,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1484 Invalid, 1190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [380 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 21:35:40,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2023-11-23 21:35:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 532. [2023-11-23 21:35:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 372 states have (on average 1.4543010752688172) internal successors, (541), 386 states have internal predecessors, (541), 119 states have call successors, (119), 41 states have call predecessors, (119), 40 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-23 21:35:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 778 transitions. [2023-11-23 21:35:40,415 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 778 transitions. Word has length 63 [2023-11-23 21:35:40,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:40,415 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 778 transitions. [2023-11-23 21:35:40,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 21:35:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 778 transitions. [2023-11-23 21:35:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 21:35:40,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:40,420 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:40,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:35:40,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:35:40,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:40,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1052265882, now seen corresponding path program 1 times [2023-11-23 21:35:40,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:40,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757538709] [2023-11-23 21:35:40,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:40,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:40,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:35:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:35:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:35:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 21:35:41,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:41,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757538709] [2023-11-23 21:35:41,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757538709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:41,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:35:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727544795] [2023-11-23 21:35:41,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:41,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:35:41,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:41,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:35:41,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:35:41,086 INFO L87 Difference]: Start difference. First operand 532 states and 778 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 21:35:45,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:45,818 INFO L93 Difference]: Finished difference Result 1343 states and 1969 transitions. [2023-11-23 21:35:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:35:45,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2023-11-23 21:35:45,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:45,841 INFO L225 Difference]: With dead ends: 1343 [2023-11-23 21:35:45,841 INFO L226 Difference]: Without dead ends: 823 [2023-11-23 21:35:45,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:35:45,852 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1068 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:45,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 1677 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 21:35:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2023-11-23 21:35:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 724. [2023-11-23 21:35:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 506 states have (on average 1.4387351778656126) internal successors, (728), 522 states have internal predecessors, (728), 156 states have call successors, (156), 62 states have call predecessors, (156), 61 states have return successors, (155), 154 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-23 21:35:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1039 transitions. [2023-11-23 21:35:46,017 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1039 transitions. Word has length 63 [2023-11-23 21:35:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:46,018 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 1039 transitions. [2023-11-23 21:35:46,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 21:35:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1039 transitions. [2023-11-23 21:35:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 21:35:46,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:46,033 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:46,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:35:46,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:35:46,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:46,034 INFO L85 PathProgramCache]: Analyzing trace with hash 919799391, now seen corresponding path program 1 times [2023-11-23 21:35:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:46,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949070826] [2023-11-23 21:35:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:35:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:35:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:35:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:35:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:35:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-23 21:35:46,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:46,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949070826] [2023-11-23 21:35:46,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949070826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:46,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:46,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:35:46,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366087736] [2023-11-23 21:35:46,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:46,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:35:46,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:46,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:35:46,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:35:46,731 INFO L87 Difference]: Start difference. First operand 724 states and 1039 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-23 21:35:50,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:50,392 INFO L93 Difference]: Finished difference Result 823 states and 1206 transitions. [2023-11-23 21:35:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:35:50,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 94 [2023-11-23 21:35:50,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:50,412 INFO L225 Difference]: With dead ends: 823 [2023-11-23 21:35:50,412 INFO L226 Difference]: Without dead ends: 820 [2023-11-23 21:35:50,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:35:50,423 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 611 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:50,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 1707 Invalid, 1302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 21:35:50,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2023-11-23 21:35:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 725. [2023-11-23 21:35:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 507 states have (on average 1.4378698224852071) internal successors, (729), 523 states have internal predecessors, (729), 156 states have call successors, (156), 62 states have call predecessors, (156), 61 states have return successors, (155), 154 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-23 21:35:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1040 transitions. [2023-11-23 21:35:50,560 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1040 transitions. Word has length 94 [2023-11-23 21:35:50,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:50,561 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 1040 transitions. [2023-11-23 21:35:50,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-23 21:35:50,562 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1040 transitions. [2023-11-23 21:35:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 21:35:50,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:50,566 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:50,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:35:50,566 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:35:50,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:50,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1286090140, now seen corresponding path program 1 times [2023-11-23 21:35:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:50,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303363670] [2023-11-23 21:35:50,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:50,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:35:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:35:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:35:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:35:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:35:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-23 21:35:51,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:51,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303363670] [2023-11-23 21:35:51,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303363670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:51,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:51,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:35:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33902654] [2023-11-23 21:35:51,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:51,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:35:51,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:51,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:35:51,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:35:51,295 INFO L87 Difference]: Start difference. First operand 725 states and 1040 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 21:35:56,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:56,077 INFO L93 Difference]: Finished difference Result 1621 states and 2347 transitions. [2023-11-23 21:35:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 21:35:56,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2023-11-23 21:35:56,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:56,088 INFO L225 Difference]: With dead ends: 1621 [2023-11-23 21:35:56,089 INFO L226 Difference]: Without dead ends: 916 [2023-11-23 21:35:56,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:35:56,095 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1275 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:56,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 1864 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:35:56,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2023-11-23 21:35:56,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 805. [2023-11-23 21:35:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 552 states have (on average 1.431159420289855) internal successors, (790), 580 states have internal predecessors, (790), 176 states have call successors, (176), 77 states have call predecessors, (176), 76 states have return successors, (188), 169 states have call predecessors, (188), 175 states have call successors, (188) [2023-11-23 21:35:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1154 transitions. [2023-11-23 21:35:56,190 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1154 transitions. Word has length 96 [2023-11-23 21:35:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:56,191 INFO L495 AbstractCegarLoop]: Abstraction has 805 states and 1154 transitions. [2023-11-23 21:35:56,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 21:35:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1154 transitions. [2023-11-23 21:35:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:35:56,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:56,200 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:56,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:35:56,201 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:35:56,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:56,202 INFO L85 PathProgramCache]: Analyzing trace with hash -906793709, now seen corresponding path program 1 times [2023-11-23 21:35:56,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:56,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808365533] [2023-11-23 21:35:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:35:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:35:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:35:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:35:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:35:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:35:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 21:35:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:35:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 21:35:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:35:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:35:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 21:35:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:35:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:35:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:35:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 21:35:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-23 21:35:58,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:58,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808365533] [2023-11-23 21:35:58,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808365533] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:35:58,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431642941] [2023-11-23 21:35:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:58,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:35:58,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:58,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:35:58,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:35:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:59,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:35:59,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:35:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 21:35:59,450 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:35:59,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431642941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:59,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:35:59,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-11-23 21:35:59,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077509390] [2023-11-23 21:35:59,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:59,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:35:59,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:59,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:35:59,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:35:59,454 INFO L87 Difference]: Start difference. First operand 805 states and 1154 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 21:36:00,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:36:00,127 INFO L93 Difference]: Finished difference Result 1596 states and 2294 transitions. [2023-11-23 21:36:00,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:36:00,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 181 [2023-11-23 21:36:00,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:36:00,137 INFO L225 Difference]: With dead ends: 1596 [2023-11-23 21:36:00,137 INFO L226 Difference]: Without dead ends: 811 [2023-11-23 21:36:00,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-11-23 21:36:00,144 INFO L413 NwaCegarLoop]: 711 mSDtfsCounter, 5 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3539 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:36:00,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3539 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:36:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2023-11-23 21:36:00,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 809. [2023-11-23 21:36:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 555 states have (on average 1.428828828828829) internal successors, (793), 582 states have internal predecessors, (793), 176 states have call successors, (176), 77 states have call predecessors, (176), 77 states have return successors, (192), 170 states have call predecessors, (192), 175 states have call successors, (192) [2023-11-23 21:36:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1161 transitions. [2023-11-23 21:36:00,232 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1161 transitions. Word has length 181 [2023-11-23 21:36:00,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:36:00,233 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1161 transitions. [2023-11-23 21:36:00,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 21:36:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1161 transitions. [2023-11-23 21:36:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:36:00,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:36:00,241 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:36:00,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:36:00,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:36:00,464 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:36:00,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:36:00,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1789072820, now seen corresponding path program 1 times [2023-11-23 21:36:00,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:36:00,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138848015] [2023-11-23 21:36:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:36:00,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:36:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:36:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:36:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:36:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:36:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:36:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 21:36:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:36:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 21:36:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:36:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:36:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 21:36:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:36:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:36:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 21:36:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-23 21:36:02,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:36:02,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138848015] [2023-11-23 21:36:02,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138848015] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:36:02,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396091164] [2023-11-23 21:36:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:36:02,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:36:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:36:02,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:36:02,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:36:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:03,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 3130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:36:03,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:36:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 21:36:03,675 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:36:03,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396091164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:36:03,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:36:03,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2023-11-23 21:36:03,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290349106] [2023-11-23 21:36:03,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:36:03,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:36:03,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:36:03,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:36:03,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:36:03,678 INFO L87 Difference]: Start difference. First operand 809 states and 1161 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 21:36:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:36:04,732 INFO L93 Difference]: Finished difference Result 1798 states and 2623 transitions. [2023-11-23 21:36:04,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:36:04,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 181 [2023-11-23 21:36:04,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:36:04,743 INFO L225 Difference]: With dead ends: 1798 [2023-11-23 21:36:04,743 INFO L226 Difference]: Without dead ends: 1009 [2023-11-23 21:36:04,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:36:04,750 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 197 mSDsluCounter, 5412 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 6353 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:36:04,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 6353 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 21:36:04,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2023-11-23 21:36:04,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 812. [2023-11-23 21:36:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 558 states have (on average 1.4265232974910393) internal successors, (796), 585 states have internal predecessors, (796), 176 states have call successors, (176), 77 states have call predecessors, (176), 77 states have return successors, (192), 170 states have call predecessors, (192), 175 states have call successors, (192) [2023-11-23 21:36:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1164 transitions. [2023-11-23 21:36:04,836 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1164 transitions. Word has length 181 [2023-11-23 21:36:04,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:36:04,837 INFO L495 AbstractCegarLoop]: Abstraction has 812 states and 1164 transitions. [2023-11-23 21:36:04,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 21:36:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1164 transitions. [2023-11-23 21:36:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-23 21:36:04,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:36:04,847 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:36:04,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:36:05,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-23 21:36:05,074 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:36:05,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:36:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash -519189084, now seen corresponding path program 1 times [2023-11-23 21:36:05,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:36:05,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928220461] [2023-11-23 21:36:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:36:05,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:36:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:36:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:36:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 21:36:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:36:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 21:36:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:36:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 21:36:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:36:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 21:36:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:36:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:36:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:36:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 21:36:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 21:36:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 21:36:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:36:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:36:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:36:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 21:36:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-23 21:36:07,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:36:07,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928220461] [2023-11-23 21:36:07,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928220461] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:36:07,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873970336] [2023-11-23 21:36:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:36:07,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:36:07,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:36:07,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:36:07,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a2d0f4-df48-4594-88e0-b7db067345f1/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:36:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:36:08,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 3289 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:36:08,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:36:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 21:36:08,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:36:08,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873970336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:36:08,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:36:08,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2023-11-23 21:36:08,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435802654] [2023-11-23 21:36:08,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:36:08,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:36:08,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:36:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:36:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:36:08,652 INFO L87 Difference]: Start difference. First operand 812 states and 1164 transitions. Second operand has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-23 21:36:09,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:36:09,604 INFO L93 Difference]: Finished difference Result 1809 states and 2639 transitions. [2023-11-23 21:36:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:36:09,605 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 194 [2023-11-23 21:36:09,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:36:09,616 INFO L225 Difference]: With dead ends: 1809 [2023-11-23 21:36:09,616 INFO L226 Difference]: Without dead ends: 1017 [2023-11-23 21:36:09,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:36:09,623 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 199 mSDsluCounter, 5417 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 6359 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:36:09,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 6359 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 21:36:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2023-11-23 21:36:09,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 813. [2023-11-23 21:36:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 558 states have (on average 1.4265232974910393) internal successors, (796), 586 states have internal predecessors, (796), 177 states have call successors, (177), 77 states have call predecessors, (177), 77 states have return successors, (193), 171 states have call predecessors, (193), 176 states have call successors, (193) [2023-11-23 21:36:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1166 transitions. [2023-11-23 21:36:09,713 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1166 transitions. Word has length 194 [2023-11-23 21:36:09,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:36:09,714 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1166 transitions. [2023-11-23 21:36:09,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-23 21:36:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1166 transitions. [2023-11-23 21:36:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-23 21:36:09,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:36:09,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]