./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya --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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:07:58,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:07:58,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:07:58,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:07:58,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:07:58,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:07:58,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:07:58,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:07:58,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:07:58,271 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:07:58,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:07:58,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:07:58,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:07:58,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:07:58,274 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:07:58,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:07:58,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:07:58,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:07:58,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:07:58,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:07:58,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:07:58,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:07:58,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:07:58,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:07:58,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:07:58,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:07:58,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:07:58,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:07:58,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:07:58,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:07:58,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:07:58,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:07:58,283 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:07:58,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:07:58,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:07:58,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:07:58,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:07:58,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:07:58,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:07:58,284 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_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2023-11-29 06:07:58,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:07:58,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:07:58,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:07:58,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:07:58,566 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:07:58,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2023-11-29 06:08:01,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:08:02,051 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:08:02,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2023-11-29 06:08:02,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/data/7bdb6264c/7c82898fb1e24d5287a3fa5bfe7e4ad1/FLAG1b23bc25e [2023-11-29 06:08:02,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/data/7bdb6264c/7c82898fb1e24d5287a3fa5bfe7e4ad1 [2023-11-29 06:08:02,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:08:02,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:08:02,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:08:02,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:08:02,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:08:02,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277eb157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02, skipping insertion in model container [2023-11-29 06:08:02,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:08:02,903 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2023-11-29 06:08:02,903 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2023-11-29 06:08:03,324 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_49d4e95c-d7e8-47ec-9b61-4182e887dc80/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2023-11-29 06:08:05,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:08:05,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:08:05,536 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2023-11-29 06:08:05,536 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2023-11-29 06:08:05,543 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_49d4e95c-d7e8-47ec-9b61-4182e887dc80/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2023-11-29 06:08:05,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:08:06,116 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:08:06,124 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:08:06,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06 WrapperNode [2023-11-29 06:08:06,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:08:06,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:08:06,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:08:06,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:08:06,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,512 INFO L138 Inliner]: procedures = 293, calls = 6236, calls flagged for inlining = 93, calls inlined = 48, statements flattened = 4675 [2023-11-29 06:08:06,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:08:06,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:08:06,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:08:06,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:08:06,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,688 INFO L175 MemorySlicer]: Split 3351 memory accesses to 47 slices as follows [8, 16, 20, 2, 2, 2, 98, 2, 2, 3, 32, 2, 2, 110, 2, 8, 2, 16, 18, 1024, 14, 2, 4, 24, 26, 2, 20, 24, 9, 2, 8, 2, 3, 6, 4, 843, 8, 1, 257, 9, 1, 1, 2, 1, 3, 22, 682]. 31 percent of accesses are in the largest equivalence class. The 2843 initializations are split as follows [8, 16, 0, 0, 0, 0, 98, 2, 2, 0, 0, 0, 2, 52, 2, 8, 2, 16, 18, 1024, 14, 2, 4, 0, 0, 0, 1, 0, 0, 0, 8, 2, 0, 5, 0, 840, 8, 1, 0, 0, 1, 1, 2, 1, 3, 18, 682]. The 376 writes are split as follows [0, 0, 3, 2, 2, 2, 0, 0, 0, 2, 32, 1, 0, 35, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 4, 0, 1, 8, 8, 0, 0, 0, 1, 0, 2, 1, 0, 0, 256, 8, 0, 0, 0, 0, 0, 0, 0]. [2023-11-29 06:08:06,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:08:06,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:08:06,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:08:06,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:08:06,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (1/1) ... [2023-11-29 06:08:06,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:08:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:06,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:06,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:08:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 06:08:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 06:08:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-29 06:08:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-29 06:08:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 06:08:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 06:08:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2023-11-29 06:08:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2023-11-29 06:08:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 06:08:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 06:08:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:08:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:08:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-29 06:08:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-29 06:08:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:08:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 06:08:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 06:08:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 06:08:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:08:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:08:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:08:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:08:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 06:08:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 06:08:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 06:08:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2023-11-29 06:08:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-29 06:08:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-29 06:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2023-11-29 06:08:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2023-11-29 06:08:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 06:08:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 06:08:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:08:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:08:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:08:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:08:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:08:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 06:08:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 06:08:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 06:08:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2023-11-29 06:08:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2023-11-29 06:08:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2023-11-29 06:08:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2023-11-29 06:08:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2023-11-29 06:08:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2023-11-29 06:08:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 06:08:07,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 06:08:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-29 06:08:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-29 06:08:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-29 06:08:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-29 06:08:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-29 06:08:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-29 06:08:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-29 06:08:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2023-11-29 06:08:07,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:08:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:08:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 06:08:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 06:08:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-29 06:08:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-29 06:08:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-29 06:08:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-29 06:08:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-29 06:08:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-29 06:08:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-29 06:08:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-29 06:08:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-29 06:08:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-29 06:08:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-29 06:08:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-29 06:08:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-29 06:08:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 06:08:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-29 06:08:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:08:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:08:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 06:08:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 06:08:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-29 06:08:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 06:08:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:08:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-29 06:08:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:08:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 06:08:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 06:08:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 06:08:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 06:08:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 06:08:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 06:08:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 06:08:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2023-11-29 06:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-29 06:08:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-29 06:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-29 06:08:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-29 06:08:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2023-11-29 06:08:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 06:08:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 06:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-29 06:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-29 06:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:08:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 06:08:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 06:08:07,652 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:08:07,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:08:07,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 06:08:25,059 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:08:25,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:08:25,411 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:08:25,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:08:25 BoogieIcfgContainer [2023-11-29 06:08:25,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:08:25,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:08:25,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:08:25,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:08:25,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:08:02" (1/3) ... [2023-11-29 06:08:25,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c04626e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:08:25, skipping insertion in model container [2023-11-29 06:08:25,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:06" (2/3) ... [2023-11-29 06:08:25,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c04626e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:08:25, skipping insertion in model container [2023-11-29 06:08:25,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:08:25" (3/3) ... [2023-11-29 06:08:25,422 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2023-11-29 06:08:25,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:08:25,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:08:25,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:08:25,506 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;@22192f3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:08:25,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:08:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 374 states, 278 states have (on average 1.5) internal successors, (417), 285 states have internal predecessors, (417), 68 states have call successors, (68), 27 states have call predecessors, (68), 26 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2023-11-29 06:08:25,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:08:25,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:25,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:08:25,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:25,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:25,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1125122491, now seen corresponding path program 1 times [2023-11-29 06:08:25,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:25,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709663145] [2023-11-29 06:08:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:26,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:26,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709663145] [2023-11-29 06:08:26,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709663145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:26,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:26,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:08:26,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9476427] [2023-11-29 06:08:26,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:26,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:08:26,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:26,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:08:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:08:26,975 INFO L87 Difference]: Start difference. First operand has 374 states, 278 states have (on average 1.5) internal successors, (417), 285 states have internal predecessors, (417), 68 states have call successors, (68), 27 states have call predecessors, (68), 26 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:31,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:08:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:32,728 INFO L93 Difference]: Finished difference Result 1060 states and 1573 transitions. [2023-11-29 06:08:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:08:32,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-29 06:08:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:32,745 INFO L225 Difference]: With dead ends: 1060 [2023-11-29 06:08:32,745 INFO L226 Difference]: Without dead ends: 600 [2023-11-29 06:08:32,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:08:32,755 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 461 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:32,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 967 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 06:08:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2023-11-29 06:08:32,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 597. [2023-11-29 06:08:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 465 states have (on average 1.5032258064516129) internal successors, (699), 466 states have internal predecessors, (699), 91 states have call successors, (91), 41 states have call predecessors, (91), 40 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-29 06:08:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 879 transitions. [2023-11-29 06:08:32,848 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 879 transitions. Word has length 18 [2023-11-29 06:08:32,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:32,849 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 879 transitions. [2023-11-29 06:08:32,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 879 transitions. [2023-11-29 06:08:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 06:08:32,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:32,853 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:08:32,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:08:32,853 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:32,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:32,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1806028025, now seen corresponding path program 1 times [2023-11-29 06:08:32,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:32,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940681639] [2023-11-29 06:08:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:32,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:08:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:08:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:08:34,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:34,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940681639] [2023-11-29 06:08:34,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940681639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:34,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:34,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:08:34,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441190635] [2023-11-29 06:08:34,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:34,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:08:34,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:34,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:08:34,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:08:34,271 INFO L87 Difference]: Start difference. First operand 597 states and 879 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:08:36,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:36,706 INFO L93 Difference]: Finished difference Result 1378 states and 2002 transitions. [2023-11-29 06:08:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:08:36,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2023-11-29 06:08:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:36,715 INFO L225 Difference]: With dead ends: 1378 [2023-11-29 06:08:36,715 INFO L226 Difference]: Without dead ends: 788 [2023-11-29 06:08:36,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:08:36,718 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 232 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:36,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1255 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 06:08:36,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-11-29 06:08:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 783. [2023-11-29 06:08:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 605 states have (on average 1.4793388429752066) internal successors, (895), 608 states have internal predecessors, (895), 117 states have call successors, (117), 61 states have call predecessors, (117), 60 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:08:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1127 transitions. [2023-11-29 06:08:36,777 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1127 transitions. Word has length 39 [2023-11-29 06:08:36,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:36,778 INFO L495 AbstractCegarLoop]: Abstraction has 783 states and 1127 transitions. [2023-11-29 06:08:36,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:08:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1127 transitions. [2023-11-29 06:08:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 06:08:36,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:36,782 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:08:36,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:08:36,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:36,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1699248820, now seen corresponding path program 1 times [2023-11-29 06:08:36,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:36,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182530368] [2023-11-29 06:08:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:36,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:08:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:08:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:08:37,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:37,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182530368] [2023-11-29 06:08:37,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182530368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:37,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:37,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:08:37,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27564087] [2023-11-29 06:08:37,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:37,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:08:37,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:37,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:08:37,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:08:37,822 INFO L87 Difference]: Start difference. First operand 783 states and 1127 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:08:42,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:08:46,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:08:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:46,661 INFO L93 Difference]: Finished difference Result 1525 states and 2202 transitions. [2023-11-29 06:08:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:08:46,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2023-11-29 06:08:46,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:46,667 INFO L225 Difference]: With dead ends: 1525 [2023-11-29 06:08:46,667 INFO L226 Difference]: Without dead ends: 789 [2023-11-29 06:08:46,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:08:46,670 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 2 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:46,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 845 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-11-29 06:08:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-11-29 06:08:46,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 787. [2023-11-29 06:08:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 609 states have (on average 1.4761904761904763) internal successors, (899), 612 states have internal predecessors, (899), 117 states have call successors, (117), 61 states have call predecessors, (117), 60 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:08:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1131 transitions. [2023-11-29 06:08:46,709 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1131 transitions. Word has length 40 [2023-11-29 06:08:46,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:46,709 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1131 transitions. [2023-11-29 06:08:46,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:08:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1131 transitions. [2023-11-29 06:08:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 06:08:46,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:46,712 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:08:46,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:08:46,713 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:46,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:46,713 INFO L85 PathProgramCache]: Analyzing trace with hash -827194359, now seen corresponding path program 1 times [2023-11-29 06:08:46,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:46,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060637848] [2023-11-29 06:08:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:46,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:08:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 06:08:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:08:48,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:48,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060637848] [2023-11-29 06:08:48,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060637848] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:48,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894251605] [2023-11-29 06:08:48,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:48,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:48,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:48,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:08:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:49,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 8849 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:08:49,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 06:08:50,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:08:50,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894251605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:50,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:08:50,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 06:08:50,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350978075] [2023-11-29 06:08:50,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:50,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:08:50,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:50,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:08:50,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:08:50,119 INFO L87 Difference]: Start difference. First operand 787 states and 1131 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:08:50,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:50,791 INFO L93 Difference]: Finished difference Result 795 states and 1135 transitions. [2023-11-29 06:08:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:08:50,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2023-11-29 06:08:50,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:50,796 INFO L225 Difference]: With dead ends: 795 [2023-11-29 06:08:50,796 INFO L226 Difference]: Without dead ends: 792 [2023-11-29 06:08:50,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:08:50,798 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 431 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:50,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 436 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:08:50,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-11-29 06:08:50,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2023-11-29 06:08:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 612 states have (on average 1.4705882352941178) internal successors, (900), 614 states have internal predecessors, (900), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:08:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1131 transitions. [2023-11-29 06:08:50,840 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1131 transitions. Word has length 43 [2023-11-29 06:08:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:50,840 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1131 transitions. [2023-11-29 06:08:50,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:08:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1131 transitions. [2023-11-29 06:08:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 06:08:50,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:50,845 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:08:50,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:08:51,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:51,046 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:51,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:51,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1253473087, now seen corresponding path program 1 times [2023-11-29 06:08:51,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:51,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436800243] [2023-11-29 06:08:51,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:08:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 06:08:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:08:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:08:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:08:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:08:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:08:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 06:08:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:08:52,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:52,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436800243] [2023-11-29 06:08:52,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436800243] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:52,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583619620] [2023-11-29 06:08:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:52,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:52,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:52,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:08:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:54,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 9280 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:08:54,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 06:08:54,266 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:08:54,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583619620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:54,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:08:54,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 06:08:54,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871579813] [2023-11-29 06:08:54,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:54,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:08:54,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:08:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:08:54,269 INFO L87 Difference]: Start difference. First operand 792 states and 1131 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-29 06:08:58,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:08:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:59,510 INFO L93 Difference]: Finished difference Result 797 states and 1137 transitions. [2023-11-29 06:08:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:08:59,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-29 06:08:59,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:59,516 INFO L225 Difference]: With dead ends: 797 [2023-11-29 06:08:59,516 INFO L226 Difference]: Without dead ends: 794 [2023-11-29 06:08:59,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:08:59,518 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:59,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 847 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2023-11-29 06:08:59,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-11-29 06:08:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2023-11-29 06:08:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 614 states have (on average 1.4690553745928339) internal successors, (902), 616 states have internal predecessors, (902), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:08:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1133 transitions. [2023-11-29 06:08:59,556 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1133 transitions. Word has length 79 [2023-11-29 06:08:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:59,557 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1133 transitions. [2023-11-29 06:08:59,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-29 06:08:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1133 transitions. [2023-11-29 06:08:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 06:08:59,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:59,562 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:08:59,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:08:59,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:59,762 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:59,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2012119796, now seen corresponding path program 1 times [2023-11-29 06:08:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:59,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809706010] [2023-11-29 06:08:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:09:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:09:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 06:09:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:09:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:09:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:09:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:09:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:09:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 06:09:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:09:01,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:09:01,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809706010] [2023-11-29 06:09:01,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809706010] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:09:01,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638821660] [2023-11-29 06:09:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:01,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:09:01,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:09:01,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:09:01,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:09:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:03,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 9285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:09:03,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 06:09:03,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:03,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638821660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:03,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:09:03,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 06:09:03,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073610057] [2023-11-29 06:09:03,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:03,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:09:03,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:09:03,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:09:03,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:09:03,152 INFO L87 Difference]: Start difference. First operand 794 states and 1133 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:09:07,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:09:08,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:08,681 INFO L93 Difference]: Finished difference Result 1603 states and 2304 transitions. [2023-11-29 06:09:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:09:08,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2023-11-29 06:09:08,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:08,688 INFO L225 Difference]: With dead ends: 1603 [2023-11-29 06:09:08,688 INFO L226 Difference]: Without dead ends: 856 [2023-11-29 06:09:08,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:09:08,691 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 36 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:08,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 843 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 06:09:08,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2023-11-29 06:09:08,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 800. [2023-11-29 06:09:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 620 states have (on average 1.4645161290322581) internal successors, (908), 622 states have internal predecessors, (908), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:09:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1139 transitions. [2023-11-29 06:09:08,723 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1139 transitions. Word has length 81 [2023-11-29 06:09:08,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:08,723 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1139 transitions. [2023-11-29 06:09:08,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:09:08,724 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1139 transitions. [2023-11-29 06:09:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 06:09:08,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:08,728 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:08,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:09:08,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 06:09:08,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:08,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:08,929 INFO L85 PathProgramCache]: Analyzing trace with hash -926718070, now seen corresponding path program 1 times [2023-11-29 06:09:08,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:09:08,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748057175] [2023-11-29 06:09:08,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:08,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:10:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 06:10:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:10:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:10:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:10:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:10:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:10:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 06:10:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:11:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 06:11:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 06:11:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 06:11:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:11:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:11:27,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:27,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748057175] [2023-11-29 06:11:27,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748057175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:11:27,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88856986] [2023-11-29 06:11:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:27,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:27,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:27,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:12:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:12:38,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 12293 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:12:38,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:12:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 06:12:38,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:12:38,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88856986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:12:38,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:12:38,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2023-11-29 06:12:38,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106908895] [2023-11-29 06:12:38,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:12:38,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:12:38,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:12:38,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:12:38,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:12:38,732 INFO L87 Difference]: Start difference. First operand 800 states and 1139 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 06:12:43,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:47,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:47,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:12:47,423 INFO L93 Difference]: Finished difference Result 1569 states and 2252 transitions. [2023-11-29 06:12:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:12:47,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2023-11-29 06:12:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:12:47,429 INFO L225 Difference]: With dead ends: 1569 [2023-11-29 06:12:47,429 INFO L226 Difference]: Without dead ends: 816 [2023-11-29 06:12:47,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:12:47,431 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 11 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:12:47,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 842 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 06:12:47,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2023-11-29 06:12:47,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 808. [2023-11-29 06:12:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 628 states have (on average 1.464968152866242) internal successors, (920), 630 states have internal predecessors, (920), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:12:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1151 transitions. [2023-11-29 06:12:47,458 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1151 transitions. Word has length 131 [2023-11-29 06:12:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:12:47,459 INFO L495 AbstractCegarLoop]: Abstraction has 808 states and 1151 transitions. [2023-11-29 06:12:47,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 06:12:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1151 transitions. [2023-11-29 06:12:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 06:12:47,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:12:47,462 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:12:47,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:12:47,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 06:12:47,669 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:12:47,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:12:47,669 INFO L85 PathProgramCache]: Analyzing trace with hash 99336522, now seen corresponding path program 1 times [2023-11-29 06:12:47,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:12:47,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475584953] [2023-11-29 06:12:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:12:47,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:13:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 06:13:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:13:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:13:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:13:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:13:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:13:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:13:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:15:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:15:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:15:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:15:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:15:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 06:15:12,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:12,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475584953] [2023-11-29 06:15:12,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475584953] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:15:12,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989484350] [2023-11-29 06:15:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:12,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:15:12,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:15:12,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:15:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:16:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:22,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 12309 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:16:22,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:16:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 06:16:22,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:16:22,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989484350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:22,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:16:22,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-29 06:16:22,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027713173] [2023-11-29 06:16:22,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:22,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:16:22,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:16:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:16:22,131 INFO L87 Difference]: Start difference. First operand 808 states and 1151 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 06:16:27,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:16:27,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:27,734 INFO L93 Difference]: Finished difference Result 1589 states and 2282 transitions. [2023-11-29 06:16:27,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:16:27,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2023-11-29 06:16:27,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:27,739 INFO L225 Difference]: With dead ends: 1589 [2023-11-29 06:16:27,740 INFO L226 Difference]: Without dead ends: 828 [2023-11-29 06:16:27,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:16:27,743 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 15 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:27,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 837 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 06:16:27,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2023-11-29 06:16:27,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 810. [2023-11-29 06:16:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 630 states have (on average 1.4634920634920634) internal successors, (922), 632 states have internal predecessors, (922), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:16:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1153 transitions. [2023-11-29 06:16:27,778 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1153 transitions. Word has length 139 [2023-11-29 06:16:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:27,779 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1153 transitions. [2023-11-29 06:16:27,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 06:16:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1153 transitions. [2023-11-29 06:16:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 06:16:27,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:27,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:16:27,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:16:27,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 06:16:27,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:27,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash -767463203, now seen corresponding path program 1 times [2023-11-29 06:16:27,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:27,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624520277] [2023-11-29 06:16:27,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:27,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:17:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:17:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 06:17:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:17:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:17:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:17:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:17:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:17:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:17:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:18:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:18:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 06:18:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 06:18:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:18:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 06:18:45,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:18:45,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624520277] [2023-11-29 06:18:45,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624520277] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:18:45,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626359223] [2023-11-29 06:18:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:45,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:18:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:18:45,706 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:18:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:19:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:19:56,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 12312 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:19:56,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:19:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-29 06:19:56,533 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:19:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626359223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:19:56,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:19:56,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-29 06:19:56,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112343241] [2023-11-29 06:19:56,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:19:56,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:19:56,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:19:56,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:19:56,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:19:56,535 INFO L87 Difference]: Start difference. First operand 810 states and 1153 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 06:20:01,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:20:03,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 06:20:03,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:20:03,213 INFO L93 Difference]: Finished difference Result 1593 states and 2276 transitions. [2023-11-29 06:20:03,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:20:03,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 140 [2023-11-29 06:20:03,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:20:03,220 INFO L225 Difference]: With dead ends: 1593 [2023-11-29 06:20:03,221 INFO L226 Difference]: Without dead ends: 830 [2023-11-29 06:20:03,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:20:03,223 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 4 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:20:03,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 841 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2023-11-29 06:20:03,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2023-11-29 06:20:03,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 814. [2023-11-29 06:20:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 634 states have (on average 1.4605678233438486) internal successors, (926), 636 states have internal predecessors, (926), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2023-11-29 06:20:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1157 transitions. [2023-11-29 06:20:03,259 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1157 transitions. Word has length 140 [2023-11-29 06:20:03,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:20:03,259 INFO L495 AbstractCegarLoop]: Abstraction has 814 states and 1157 transitions. [2023-11-29 06:20:03,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 06:20:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1157 transitions. [2023-11-29 06:20:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-29 06:20:03,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:20:03,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:20:03,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:20:03,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:20:03,465 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:20:03,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:20:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1004212627, now seen corresponding path program 1 times [2023-11-29 06:20:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:20:03,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110561092] [2023-11-29 06:20:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:20:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:21:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 06:21:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:21:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:21:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:21:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:21:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:21:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:21:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:22:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:22:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 06:22:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 06:22:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 06:22:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-29 06:22:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:22:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 06:22:21,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:21,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110561092] [2023-11-29 06:22:21,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110561092] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:22:21,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052114752] [2023-11-29 06:22:21,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:21,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:21,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:21,613 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:21,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4e95c-d7e8-47ec-9b61-4182e887dc80/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process