./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:55,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:55,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:54:55,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:55,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:55,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:55,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:55,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:55,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:55,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:55,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:55,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:55,925 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:55,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:55,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:55,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:55,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:55,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:55,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:55,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:55,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:54:55,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:54:55,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:55,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:55,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:55,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:55,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:55,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:55,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:55,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:55,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:55,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:55,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:54:55,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:55,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:55,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:55,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:55,936 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:55,936 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_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2023-11-06 22:54:56,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:56,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:56,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:56,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:56,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:56,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2023-11-06 22:54:59,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:00,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:00,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2023-11-06 22:55:00,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/data/ae4990154/8a194f1304db4e27b8724d5ce3a1ad84/FLAGaa87ea777 [2023-11-06 22:55:00,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/data/ae4990154/8a194f1304db4e27b8724d5ce3a1ad84 [2023-11-06 22:55:00,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:00,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:00,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:00,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:00,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:00,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:00" (1/1) ... [2023-11-06 22:55:00,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487489aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:00, skipping insertion in model container [2023-11-06 22:55:00,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:00" (1/1) ... [2023-11-06 22:55:00,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:01,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:01,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:02,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2023-11-06 22:55:02,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:02,284 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:55:02,292 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:55:02,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02 WrapperNode [2023-11-06 22:55:02,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:02,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:02,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:55:02,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:55:02,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,455 INFO L138 Inliner]: procedures = 188, calls = 607, calls flagged for inlining = 75, calls inlined = 50, statements flattened = 1272 [2023-11-06 22:55:02,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:02,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:55:02,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:55:02,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:55:02,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:55:02,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:55:02,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:55:02,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:55:02,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (1/1) ... [2023-11-06 22:55:02,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:02,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:02,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:55:02,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:55:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:55:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:55:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2023-11-06 22:55:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2023-11-06 22:55:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2023-11-06 22:55:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2023-11-06 22:55:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:55:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2023-11-06 22:55:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2023-11-06 22:55:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2023-11-06 22:55:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2023-11-06 22:55:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:55:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:55:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-06 22:55:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-06 22:55:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2023-11-06 22:55:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2023-11-06 22:55:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:55:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:55:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:55:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:55:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:55:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2023-11-06 22:55:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2023-11-06 22:55:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2023-11-06 22:55:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2023-11-06 22:55:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:55:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2023-11-06 22:55:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2023-11-06 22:55:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:55:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:55:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:55:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2023-11-06 22:55:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2023-11-06 22:55:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:55:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:55:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2023-11-06 22:55:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2023-11-06 22:55:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-06 22:55:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-06 22:55:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:55:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:55:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:55:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:55:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:55:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 22:55:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 22:55:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:55:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:55:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2023-11-06 22:55:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2023-11-06 22:55:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:55:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:55:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2023-11-06 22:55:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2023-11-06 22:55:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2023-11-06 22:55:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2023-11-06 22:55:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:55:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:55:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2023-11-06 22:55:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2023-11-06 22:55:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2023-11-06 22:55:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2023-11-06 22:55:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:55:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:55:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2023-11-06 22:55:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2023-11-06 22:55:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2023-11-06 22:55:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2023-11-06 22:55:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:55:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 22:55:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 22:55:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:55:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:55:03,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:55:03,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:55:04,388 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:55:04,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:55:04,410 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:55:04,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:04 BoogieIcfgContainer [2023-11-06 22:55:04,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:55:04,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:55:04,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:55:04,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:55:04,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:00" (1/3) ... [2023-11-06 22:55:04,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6be8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:04, skipping insertion in model container [2023-11-06 22:55:04,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:02" (2/3) ... [2023-11-06 22:55:04,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6be8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:04, skipping insertion in model container [2023-11-06 22:55:04,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:04" (3/3) ... [2023-11-06 22:55:04,427 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2023-11-06 22:55:04,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:55:04,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-06 22:55:04,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:55:04,541 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=LoopsAndPotentialCycles, 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;@5aec1304, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:55:04,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-06 22:55:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 432 states, 307 states have (on average 1.3159609120521172) internal successors, (404), 324 states have internal predecessors, (404), 83 states have call successors, (83), 31 states have call predecessors, (83), 31 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-06 22:55:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 22:55:04,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:04,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:04,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:04,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:04,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1428416915, now seen corresponding path program 1 times [2023-11-06 22:55:04,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:04,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453370605] [2023-11-06 22:55:04,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:04,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:05,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:05,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453370605] [2023-11-06 22:55:05,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453370605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:05,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:05,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:55:05,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604290392] [2023-11-06 22:55:05,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:05,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:05,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:05,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:05,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:05,173 INFO L87 Difference]: Start difference. First operand has 432 states, 307 states have (on average 1.3159609120521172) internal successors, (404), 324 states have internal predecessors, (404), 83 states have call successors, (83), 31 states have call predecessors, (83), 31 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:05,463 INFO L93 Difference]: Finished difference Result 965 states and 1288 transitions. [2023-11-06 22:55:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:05,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-06 22:55:05,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:05,493 INFO L225 Difference]: With dead ends: 965 [2023-11-06 22:55:05,493 INFO L226 Difference]: Without dead ends: 502 [2023-11-06 22:55:05,505 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 [2023-11-06 22:55:05,510 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 135 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:05,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1082 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:55:05,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-06 22:55:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 497. [2023-11-06 22:55:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 357 states have (on average 1.3165266106442577) internal successors, (470), 373 states have internal predecessors, (470), 92 states have call successors, (92), 38 states have call predecessors, (92), 38 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:55:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 652 transitions. [2023-11-06 22:55:05,643 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 652 transitions. Word has length 15 [2023-11-06 22:55:05,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:05,644 INFO L495 AbstractCegarLoop]: Abstraction has 497 states and 652 transitions. [2023-11-06 22:55:05,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 652 transitions. [2023-11-06 22:55:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-06 22:55:05,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:05,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:05,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:55:05,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:05,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1237734613, now seen corresponding path program 1 times [2023-11-06 22:55:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:05,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680419655] [2023-11-06 22:55:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:55:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:05,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:05,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680419655] [2023-11-06 22:55:05,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680419655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:05,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:05,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:55:05,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36870985] [2023-11-06 22:55:05,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:05,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:05,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:05,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:05,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:05,938 INFO L87 Difference]: Start difference. First operand 497 states and 652 transitions. 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:55:06,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:06,082 INFO L93 Difference]: Finished difference Result 1368 states and 1797 transitions. [2023-11-06 22:55:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:06,083 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-11-06 22:55:06,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:06,095 INFO L225 Difference]: With dead ends: 1368 [2023-11-06 22:55:06,095 INFO L226 Difference]: Without dead ends: 874 [2023-11-06 22:55:06,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:06,100 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 520 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:06,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 1408 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2023-11-06 22:55:06,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 851. [2023-11-06 22:55:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 622 states have (on average 1.3135048231511255) internal successors, (817), 639 states have internal predecessors, (817), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1124 transitions. [2023-11-06 22:55:06,207 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1124 transitions. Word has length 20 [2023-11-06 22:55:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:06,208 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1124 transitions. [2023-11-06 22:55:06,208 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:55:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1124 transitions. [2023-11-06 22:55:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:55:06,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:06,217 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] [2023-11-06 22:55:06,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:55:06,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:06,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:06,220 INFO L85 PathProgramCache]: Analyzing trace with hash -2131390641, now seen corresponding path program 1 times [2023-11-06 22:55:06,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:06,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329119266] [2023-11-06 22:55:06,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:06,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:55:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:06,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329119266] [2023-11-06 22:55:06,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329119266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:06,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:06,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:55:06,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704404508] [2023-11-06 22:55:06,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:06,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:55:06,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:55:06,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:55:06,466 INFO L87 Difference]: Start difference. First operand 851 states and 1124 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:55:07,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:07,627 INFO L93 Difference]: Finished difference Result 2009 states and 2720 transitions. [2023-11-06 22:55:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:07,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 3 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 38 [2023-11-06 22:55:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:07,638 INFO L225 Difference]: With dead ends: 2009 [2023-11-06 22:55:07,638 INFO L226 Difference]: Without dead ends: 1155 [2023-11-06 22:55:07,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:07,645 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 270 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:07,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1278 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:55:07,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2023-11-06 22:55:07,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 851. [2023-11-06 22:55:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 622 states have (on average 1.310289389067524) internal successors, (815), 639 states have internal predecessors, (815), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1122 transitions. [2023-11-06 22:55:07,740 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1122 transitions. Word has length 38 [2023-11-06 22:55:07,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:07,740 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1122 transitions. [2023-11-06 22:55:07,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:55:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1122 transitions. [2023-11-06 22:55:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:55:07,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:07,743 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] [2023-11-06 22:55:07,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:55:07,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:07,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:07,744 INFO L85 PathProgramCache]: Analyzing trace with hash -318100886, now seen corresponding path program 1 times [2023-11-06 22:55:07,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:07,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434918029] [2023-11-06 22:55:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:07,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:55:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:07,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:55:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:55:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:07,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434918029] [2023-11-06 22:55:07,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434918029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:07,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:07,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:55:07,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048158428] [2023-11-06 22:55:07,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:07,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:07,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:07,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:07,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:55:07,986 INFO L87 Difference]: Start difference. First operand 851 states and 1122 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:08,869 INFO L93 Difference]: Finished difference Result 2023 states and 2744 transitions. [2023-11-06 22:55:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:55:08,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2023-11-06 22:55:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:08,879 INFO L225 Difference]: With dead ends: 2023 [2023-11-06 22:55:08,879 INFO L226 Difference]: Without dead ends: 1175 [2023-11-06 22:55:08,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:55:08,890 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 271 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:08,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 938 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:55:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2023-11-06 22:55:08,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 863. [2023-11-06 22:55:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 634 states have (on average 1.3075709779179812) internal successors, (829), 651 states have internal predecessors, (829), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1136 transitions. [2023-11-06 22:55:08,960 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1136 transitions. Word has length 43 [2023-11-06 22:55:08,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:08,964 INFO L495 AbstractCegarLoop]: Abstraction has 863 states and 1136 transitions. [2023-11-06 22:55:08,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1136 transitions. [2023-11-06 22:55:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:55:08,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:08,968 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:55:08,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:55:08,969 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:08,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:08,970 INFO L85 PathProgramCache]: Analyzing trace with hash 405945810, now seen corresponding path program 1 times [2023-11-06 22:55:08,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:08,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542130383] [2023-11-06 22:55:08,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:55:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:55:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:55:09,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:09,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542130383] [2023-11-06 22:55:09,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542130383] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:09,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551545529] [2023-11-06 22:55:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:09,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:09,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:09,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:09,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:55:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:09,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:09,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:55:09,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:09,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551545529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:09,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:09,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-06 22:55:09,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977789985] [2023-11-06 22:55:09,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:09,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:09,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:09,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:09,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:09,724 INFO L87 Difference]: Start difference. First operand 863 states and 1136 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:09,809 INFO L93 Difference]: Finished difference Result 871 states and 1148 transitions. [2023-11-06 22:55:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:55:09,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2023-11-06 22:55:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:09,817 INFO L225 Difference]: With dead ends: 871 [2023-11-06 22:55:09,817 INFO L226 Difference]: Without dead ends: 870 [2023-11-06 22:55:09,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:09,821 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 14 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:09,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1065 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:09,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2023-11-06 22:55:09,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 862. [2023-11-06 22:55:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 634 states have (on average 1.304416403785489) internal successors, (827), 650 states have internal predecessors, (827), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1134 transitions. [2023-11-06 22:55:09,893 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1134 transitions. Word has length 49 [2023-11-06 22:55:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:09,895 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1134 transitions. [2023-11-06 22:55:09,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1134 transitions. [2023-11-06 22:55:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:55:09,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:09,898 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:55:09,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:10,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:10,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:10,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:10,113 INFO L85 PathProgramCache]: Analyzing trace with hash -300581353, now seen corresponding path program 1 times [2023-11-06 22:55:10,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:10,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485742860] [2023-11-06 22:55:10,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:10,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:55:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:55:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:55:10,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:10,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485742860] [2023-11-06 22:55:10,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485742860] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:10,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672203707] [2023-11-06 22:55:10,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:10,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:10,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:10,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:55:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:10,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:10,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:55:10,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:55:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:55:10,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672203707] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:55:10,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:55:10,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2023-11-06 22:55:10,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703984372] [2023-11-06 22:55:10,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:55:10,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:55:10,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:10,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:55:10,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:10,799 INFO L87 Difference]: Start difference. First operand 862 states and 1134 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:11,808 INFO L93 Difference]: Finished difference Result 1208 states and 1663 transitions. [2023-11-06 22:55:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:55:11,809 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2023-11-06 22:55:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:11,818 INFO L225 Difference]: With dead ends: 1208 [2023-11-06 22:55:11,818 INFO L226 Difference]: Without dead ends: 1207 [2023-11-06 22:55:11,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:11,821 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 296 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:11,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 1264 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:55:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2023-11-06 22:55:11,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 851. [2023-11-06 22:55:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 624 states have (on average 1.3028846153846154) internal successors, (813), 639 states have internal predecessors, (813), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1120 transitions. [2023-11-06 22:55:11,891 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1120 transitions. Word has length 50 [2023-11-06 22:55:11,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:11,891 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1120 transitions. [2023-11-06 22:55:11,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1120 transitions. [2023-11-06 22:55:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:55:11,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:11,894 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:55:11,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:55:12,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:12,101 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:12,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:12,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1454754126, now seen corresponding path program 1 times [2023-11-06 22:55:12,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:12,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772828963] [2023-11-06 22:55:12,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:55:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:55:12,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:12,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772828963] [2023-11-06 22:55:12,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772828963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:12,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:12,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:55:12,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984006728] [2023-11-06 22:55:12,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:12,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:12,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:12,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:12,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:55:12,273 INFO L87 Difference]: Start difference. First operand 851 states and 1120 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:13,058 INFO L93 Difference]: Finished difference Result 2018 states and 2732 transitions. [2023-11-06 22:55:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:55:13,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2023-11-06 22:55:13,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:13,068 INFO L225 Difference]: With dead ends: 2018 [2023-11-06 22:55:13,068 INFO L226 Difference]: Without dead ends: 1170 [2023-11-06 22:55:13,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:55:13,073 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 273 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:13,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 941 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:55:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2023-11-06 22:55:13,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 866. [2023-11-06 22:55:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 639 states have (on average 1.295774647887324) internal successors, (828), 654 states have internal predecessors, (828), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1135 transitions. [2023-11-06 22:55:13,137 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1135 transitions. Word has length 51 [2023-11-06 22:55:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:13,138 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1135 transitions. [2023-11-06 22:55:13,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:55:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1135 transitions. [2023-11-06 22:55:13,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:55:13,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:13,139 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:55:13,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:55:13,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:13,140 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:13,140 INFO L85 PathProgramCache]: Analyzing trace with hash 408323610, now seen corresponding path program 1 times [2023-11-06 22:55:13,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:13,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387357473] [2023-11-06 22:55:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:13,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:55:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:55:13,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:13,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387357473] [2023-11-06 22:55:13,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387357473] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:13,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700057748] [2023-11-06 22:55:13,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:13,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:13,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:13,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:13,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:55:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:13,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:55:13,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:55:13,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:13,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700057748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:13,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:13,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2023-11-06 22:55:13,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612887979] [2023-11-06 22:55:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:13,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:55:13,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:55:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:13,785 INFO L87 Difference]: Start difference. First operand 866 states and 1135 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:55:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:13,900 INFO L93 Difference]: Finished difference Result 1739 states and 2281 transitions. [2023-11-06 22:55:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:13,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2023-11-06 22:55:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:13,907 INFO L225 Difference]: With dead ends: 1739 [2023-11-06 22:55:13,908 INFO L226 Difference]: Without dead ends: 866 [2023-11-06 22:55:13,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:55:13,912 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 4 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:13,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2119 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-11-06 22:55:13,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2023-11-06 22:55:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 639 states have (on average 1.2926447574334898) internal successors, (826), 652 states have internal predecessors, (826), 154 states have call successors, (154), 65 states have call predecessors, (154), 65 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2023-11-06 22:55:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1133 transitions. [2023-11-06 22:55:13,972 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1133 transitions. Word has length 56 [2023-11-06 22:55:13,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:13,973 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1133 transitions. [2023-11-06 22:55:13,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:55:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1133 transitions. [2023-11-06 22:55:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:55:13,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:13,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:13,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:14,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:14,191 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:14,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:14,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2103629342, now seen corresponding path program 1 times [2023-11-06 22:55:14,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:14,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95196587] [2023-11-06 22:55:14,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:55:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-06 22:55:14,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:14,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95196587] [2023-11-06 22:55:14,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95196587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:14,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649924070] [2023-11-06 22:55:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:14,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:14,530 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:14,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:55:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:14,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:55:14,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:55:15,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:15,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649924070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:15,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:15,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2023-11-06 22:55:15,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038335920] [2023-11-06 22:55:15,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:15,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:55:15,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:15,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:55:15,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:15,012 INFO L87 Difference]: Start difference. First operand 866 states and 1133 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:55:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:15,107 INFO L93 Difference]: Finished difference Result 1739 states and 2277 transitions. [2023-11-06 22:55:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:15,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 87 [2023-11-06 22:55:15,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:15,114 INFO L225 Difference]: With dead ends: 1739 [2023-11-06 22:55:15,114 INFO L226 Difference]: Without dead ends: 876 [2023-11-06 22:55:15,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:15,120 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 1 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2127 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:15,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2127 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:15,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-11-06 22:55:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 874. [2023-11-06 22:55:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 645 states have (on average 1.289922480620155) internal successors, (832), 658 states have internal predecessors, (832), 154 states have call successors, (154), 65 states have call predecessors, (154), 67 states have return successors, (157), 155 states have call predecessors, (157), 153 states have call successors, (157) [2023-11-06 22:55:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1143 transitions. [2023-11-06 22:55:15,182 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1143 transitions. Word has length 87 [2023-11-06 22:55:15,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:15,182 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1143 transitions. [2023-11-06 22:55:15,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:55:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1143 transitions. [2023-11-06 22:55:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:55:15,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:15,184 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:55:15,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:15,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:15,410 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:15,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:15,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1125410502, now seen corresponding path program 1 times [2023-11-06 22:55:15,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:15,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775529285] [2023-11-06 22:55:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:15,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:55:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:55:15,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:15,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775529285] [2023-11-06 22:55:15,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775529285] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:15,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138750982] [2023-11-06 22:55:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:15,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:15,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:15,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:55:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:55:16,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:55:16,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:16,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138750982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:16,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:16,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2023-11-06 22:55:16,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534132515] [2023-11-06 22:55:16,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:16,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:55:16,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:16,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:55:16,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:55:16,168 INFO L87 Difference]: Start difference. First operand 874 states and 1143 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:55:16,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:16,316 INFO L93 Difference]: Finished difference Result 1917 states and 2553 transitions. [2023-11-06 22:55:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:55:16,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2023-11-06 22:55:16,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:16,325 INFO L225 Difference]: With dead ends: 1917 [2023-11-06 22:55:16,325 INFO L226 Difference]: Without dead ends: 1046 [2023-11-06 22:55:16,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:55:16,330 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 92 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:16,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 3754 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:16,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2023-11-06 22:55:16,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 878. [2023-11-06 22:55:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 649 states have (on average 1.2881355932203389) internal successors, (836), 662 states have internal predecessors, (836), 154 states have call successors, (154), 65 states have call predecessors, (154), 67 states have return successors, (157), 155 states have call predecessors, (157), 153 states have call successors, (157) [2023-11-06 22:55:16,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1147 transitions. [2023-11-06 22:55:16,391 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1147 transitions. Word has length 78 [2023-11-06 22:55:16,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:16,391 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1147 transitions. [2023-11-06 22:55:16,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:55:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1147 transitions. [2023-11-06 22:55:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:55:16,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:16,393 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:16,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:16,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:16,601 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:16,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:16,602 INFO L85 PathProgramCache]: Analyzing trace with hash 632309845, now seen corresponding path program 1 times [2023-11-06 22:55:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:16,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512233340] [2023-11-06 22:55:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 22:55:16,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:16,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512233340] [2023-11-06 22:55:16,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512233340] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:16,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935586581] [2023-11-06 22:55:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:16,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:16,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:16,937 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:16,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:55:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:17,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 22:55:17,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:17,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935586581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:17,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:17,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-06 22:55:17,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052687632] [2023-11-06 22:55:17,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:17,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:17,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:17,386 INFO L87 Difference]: Start difference. First operand 878 states and 1147 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:17,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:17,449 INFO L93 Difference]: Finished difference Result 878 states and 1147 transitions. [2023-11-06 22:55:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:55:17,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 86 [2023-11-06 22:55:17,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:17,455 INFO L225 Difference]: With dead ends: 878 [2023-11-06 22:55:17,456 INFO L226 Difference]: Without dead ends: 877 [2023-11-06 22:55:17,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:17,457 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 4 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:17,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1577 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:17,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2023-11-06 22:55:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2023-11-06 22:55:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 649 states have (on average 1.2835130970724191) internal successors, (833), 661 states have internal predecessors, (833), 154 states have call successors, (154), 65 states have call predecessors, (154), 67 states have return successors, (157), 155 states have call predecessors, (157), 153 states have call successors, (157) [2023-11-06 22:55:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1144 transitions. [2023-11-06 22:55:17,516 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1144 transitions. Word has length 86 [2023-11-06 22:55:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:17,516 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1144 transitions. [2023-11-06 22:55:17,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1144 transitions. [2023-11-06 22:55:17,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:55:17,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:17,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:17,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:17,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:17,726 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:17,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:17,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1873231237, now seen corresponding path program 1 times [2023-11-06 22:55:17,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:17,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582192084] [2023-11-06 22:55:17,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:17,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 22:55:17,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582192084] [2023-11-06 22:55:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582192084] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012703839] [2023-11-06 22:55:17,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:17,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:17,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:18,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:55:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:18,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:18,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 22:55:18,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:55:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 22:55:18,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012703839] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:55:18,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:55:18,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2023-11-06 22:55:18,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165679405] [2023-11-06 22:55:18,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:55:18,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:55:18,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:18,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:55:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:18,520 INFO L87 Difference]: Start difference. First operand 877 states and 1144 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:20,115 INFO L93 Difference]: Finished difference Result 1227 states and 1676 transitions. [2023-11-06 22:55:20,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:55:20,116 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 87 [2023-11-06 22:55:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:20,124 INFO L225 Difference]: With dead ends: 1227 [2023-11-06 22:55:20,124 INFO L226 Difference]: Without dead ends: 1196 [2023-11-06 22:55:20,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:55:20,126 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 419 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:20,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1986 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:55:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2023-11-06 22:55:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 848. [2023-11-06 22:55:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 626 states have (on average 1.2843450479233227) internal successors, (804), 636 states have internal predecessors, (804), 151 states have call successors, (151), 63 states have call predecessors, (151), 65 states have return successors, (155), 153 states have call predecessors, (155), 151 states have call successors, (155) [2023-11-06 22:55:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1110 transitions. [2023-11-06 22:55:20,195 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1110 transitions. Word has length 87 [2023-11-06 22:55:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:20,195 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1110 transitions. [2023-11-06 22:55:20,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1110 transitions. [2023-11-06 22:55:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-06 22:55:20,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:20,198 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:20,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:20,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:55:20,406 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:20,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:20,407 INFO L85 PathProgramCache]: Analyzing trace with hash -655227161, now seen corresponding path program 1 times [2023-11-06 22:55:20,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:20,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271075040] [2023-11-06 22:55:20,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:20,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 22:55:20,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:20,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271075040] [2023-11-06 22:55:20,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271075040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:20,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:20,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:55:20,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260204040] [2023-11-06 22:55:20,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:20,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:55:20,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:20,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:55:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:55:20,652 INFO L87 Difference]: Start difference. First operand 848 states and 1110 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:22,402 INFO L93 Difference]: Finished difference Result 3022 states and 4094 transitions. [2023-11-06 22:55:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:55:22,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 95 [2023-11-06 22:55:22,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:22,418 INFO L225 Difference]: With dead ends: 3022 [2023-11-06 22:55:22,418 INFO L226 Difference]: Without dead ends: 2177 [2023-11-06 22:55:22,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:22,424 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 1238 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:22,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1095 Invalid, 1302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:55:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2023-11-06 22:55:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1536. [2023-11-06 22:55:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1536 states, 1132 states have (on average 1.267667844522968) internal successors, (1435), 1146 states have internal predecessors, (1435), 277 states have call successors, (277), 118 states have call predecessors, (277), 121 states have return successors, (283), 280 states have call predecessors, (283), 277 states have call successors, (283) [2023-11-06 22:55:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 1995 transitions. [2023-11-06 22:55:22,563 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 1995 transitions. Word has length 95 [2023-11-06 22:55:22,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:22,564 INFO L495 AbstractCegarLoop]: Abstraction has 1536 states and 1995 transitions. [2023-11-06 22:55:22,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1995 transitions. [2023-11-06 22:55:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 22:55:22,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:22,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:22,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:55:22,567 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:22,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:22,568 INFO L85 PathProgramCache]: Analyzing trace with hash -11909388, now seen corresponding path program 1 times [2023-11-06 22:55:22,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:22,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182157679] [2023-11-06 22:55:22,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 22:55:22,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:22,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182157679] [2023-11-06 22:55:22,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182157679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:22,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:22,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:55:22,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776841709] [2023-11-06 22:55:22,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:22,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:55:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:22,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:55:22,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:55:22,918 INFO L87 Difference]: Start difference. First operand 1536 states and 1995 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:24,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:24,130 INFO L93 Difference]: Finished difference Result 3743 states and 5038 transitions. [2023-11-06 22:55:24,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:24,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 100 [2023-11-06 22:55:24,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:24,148 INFO L225 Difference]: With dead ends: 3743 [2023-11-06 22:55:24,148 INFO L226 Difference]: Without dead ends: 2210 [2023-11-06 22:55:24,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:24,155 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 277 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:24,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1127 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:55:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2023-11-06 22:55:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1564. [2023-11-06 22:55:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1160 states have (on average 1.264655172413793) internal successors, (1467), 1174 states have internal predecessors, (1467), 277 states have call successors, (277), 118 states have call predecessors, (277), 121 states have return successors, (283), 280 states have call predecessors, (283), 277 states have call successors, (283) [2023-11-06 22:55:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2027 transitions. [2023-11-06 22:55:24,292 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2027 transitions. Word has length 100 [2023-11-06 22:55:24,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:24,293 INFO L495 AbstractCegarLoop]: Abstraction has 1564 states and 2027 transitions. [2023-11-06 22:55:24,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2027 transitions. [2023-11-06 22:55:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 22:55:24,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:24,298 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:24,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:55:24,299 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:24,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:24,300 INFO L85 PathProgramCache]: Analyzing trace with hash -415424718, now seen corresponding path program 1 times [2023-11-06 22:55:24,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:24,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180630235] [2023-11-06 22:55:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:24,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:55:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 22:55:24,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:24,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180630235] [2023-11-06 22:55:24,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180630235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:24,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:24,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:55:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297490214] [2023-11-06 22:55:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:24,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:55:24,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:24,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:55:24,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:24,669 INFO L87 Difference]: Start difference. First operand 1564 states and 2027 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:55:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:26,514 INFO L93 Difference]: Finished difference Result 3369 states and 4568 transitions. [2023-11-06 22:55:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:55:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 99 [2023-11-06 22:55:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:26,541 INFO L225 Difference]: With dead ends: 3369 [2023-11-06 22:55:26,542 INFO L226 Difference]: Without dead ends: 3367 [2023-11-06 22:55:26,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:26,547 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 1274 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:26,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 1112 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:55:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2023-11-06 22:55:26,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 2397. [2023-11-06 22:55:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 1783 states have (on average 1.2574312955692653) internal successors, (2242), 1802 states have internal predecessors, (2242), 422 states have call successors, (422), 181 states have call predecessors, (422), 186 states have return successors, (432), 427 states have call predecessors, (432), 422 states have call successors, (432) [2023-11-06 22:55:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3096 transitions. [2023-11-06 22:55:26,894 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3096 transitions. Word has length 99 [2023-11-06 22:55:26,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:26,895 INFO L495 AbstractCegarLoop]: Abstraction has 2397 states and 3096 transitions. [2023-11-06 22:55:26,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:55:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3096 transitions. [2023-11-06 22:55:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:55:26,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:26,899 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:26,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:55:26,900 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:26,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash -578044313, now seen corresponding path program 1 times [2023-11-06 22:55:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:26,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95558868] [2023-11-06 22:55:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:26,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:55:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 22:55:27,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:27,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95558868] [2023-11-06 22:55:27,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95558868] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:27,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527028040] [2023-11-06 22:55:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:27,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:27,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:27,203 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:27,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:55:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:27,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:55:27,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-06 22:55:27,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:27,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527028040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:27,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:27,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2023-11-06 22:55:27,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638782138] [2023-11-06 22:55:27,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:27,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:55:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:27,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:55:27,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:27,689 INFO L87 Difference]: Start difference. First operand 2397 states and 3096 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:27,885 INFO L93 Difference]: Finished difference Result 4711 states and 6094 transitions. [2023-11-06 22:55:27,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:27,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 107 [2023-11-06 22:55:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:27,906 INFO L225 Difference]: With dead ends: 4711 [2023-11-06 22:55:27,906 INFO L226 Difference]: Without dead ends: 2422 [2023-11-06 22:55:27,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:27,916 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 2 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:27,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2084 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2023-11-06 22:55:28,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2407. [2023-11-06 22:55:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 1793 states have (on average 1.2559955382041272) internal successors, (2252), 1807 states have internal predecessors, (2252), 422 states have call successors, (422), 181 states have call predecessors, (422), 186 states have return successors, (432), 432 states have call predecessors, (432), 422 states have call successors, (432) [2023-11-06 22:55:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3106 transitions. [2023-11-06 22:55:28,167 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3106 transitions. Word has length 107 [2023-11-06 22:55:28,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:28,168 INFO L495 AbstractCegarLoop]: Abstraction has 2407 states and 3106 transitions. [2023-11-06 22:55:28,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3106 transitions. [2023-11-06 22:55:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 22:55:28,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:28,171 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:28,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:28,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:28,379 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:28,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1260556088, now seen corresponding path program 1 times [2023-11-06 22:55:28,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:28,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982096103] [2023-11-06 22:55:28,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:28,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:28,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982096103] [2023-11-06 22:55:28,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982096103] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:28,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238110041] [2023-11-06 22:55:28,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:28,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:28,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:28,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:28,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:55:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:29,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:29,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:29,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238110041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:29,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:29,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-06 22:55:29,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542980750] [2023-11-06 22:55:29,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:29,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:29,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:29,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:29,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:29,131 INFO L87 Difference]: Start difference. First operand 2407 states and 3106 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:55:29,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:29,283 INFO L93 Difference]: Finished difference Result 2419 states and 3124 transitions. [2023-11-06 22:55:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:55:29,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 106 [2023-11-06 22:55:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:29,299 INFO L225 Difference]: With dead ends: 2419 [2023-11-06 22:55:29,299 INFO L226 Difference]: Without dead ends: 2418 [2023-11-06 22:55:29,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:29,302 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 11 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:29,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1043 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2023-11-06 22:55:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2406. [2023-11-06 22:55:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 1793 states have (on average 1.2526491912994981) internal successors, (2246), 1806 states have internal predecessors, (2246), 422 states have call successors, (422), 181 states have call predecessors, (422), 186 states have return successors, (432), 432 states have call predecessors, (432), 422 states have call successors, (432) [2023-11-06 22:55:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3100 transitions. [2023-11-06 22:55:29,536 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3100 transitions. Word has length 106 [2023-11-06 22:55:29,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:29,537 INFO L495 AbstractCegarLoop]: Abstraction has 2406 states and 3100 transitions. [2023-11-06 22:55:29,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:55:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3100 transitions. [2023-11-06 22:55:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:55:29,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:29,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:29,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-06 22:55:29,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:55:29,749 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:29,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:29,750 INFO L85 PathProgramCache]: Analyzing trace with hash -422532993, now seen corresponding path program 1 times [2023-11-06 22:55:29,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:29,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482306595] [2023-11-06 22:55:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:30,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482306595] [2023-11-06 22:55:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482306595] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621608596] [2023-11-06 22:55:30,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:30,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:30,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:30,012 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:30,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:55:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:30,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:30,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:30,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:55:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:30,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621608596] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:55:30,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:55:30,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2023-11-06 22:55:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102532784] [2023-11-06 22:55:30,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:55:30,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:55:30,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:30,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:55:30,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:30,566 INFO L87 Difference]: Start difference. First operand 2406 states and 3100 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:55:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:32,143 INFO L93 Difference]: Finished difference Result 3472 states and 4714 transitions. [2023-11-06 22:55:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:55:32,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 107 [2023-11-06 22:55:32,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:32,177 INFO L225 Difference]: With dead ends: 3472 [2023-11-06 22:55:32,184 INFO L226 Difference]: Without dead ends: 3471 [2023-11-06 22:55:32,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:55:32,187 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 449 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:32,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1644 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:55:32,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3471 states. [2023-11-06 22:55:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3471 to 2369. [2023-11-06 22:55:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 1757 states have (on average 1.250996015936255) internal successors, (2198), 1769 states have internal predecessors, (2198), 422 states have call successors, (422), 181 states have call predecessors, (422), 186 states have return successors, (432), 432 states have call predecessors, (432), 422 states have call successors, (432) [2023-11-06 22:55:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3052 transitions. [2023-11-06 22:55:32,415 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3052 transitions. Word has length 107 [2023-11-06 22:55:32,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:32,416 INFO L495 AbstractCegarLoop]: Abstraction has 2369 states and 3052 transitions. [2023-11-06 22:55:32,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:55:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3052 transitions. [2023-11-06 22:55:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 22:55:32,421 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:32,421 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:32,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:32,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:55:32,630 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:32,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:32,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1287809087, now seen corresponding path program 1 times [2023-11-06 22:55:32,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:32,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531825549] [2023-11-06 22:55:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:32,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:32,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531825549] [2023-11-06 22:55:32,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531825549] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:32,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859416155] [2023-11-06 22:55:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:32,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:32,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:32,980 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:33,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:55:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:33,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:33,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:33,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:33,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859416155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:33,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:55:33,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-06 22:55:33,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460692565] [2023-11-06 22:55:33,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:33,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:33,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:33,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:33,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:33,601 INFO L87 Difference]: Start difference. First operand 2369 states and 3052 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:34,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:34,202 INFO L93 Difference]: Finished difference Result 3087 states and 3979 transitions. [2023-11-06 22:55:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:55:34,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 112 [2023-11-06 22:55:34,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:34,222 INFO L225 Difference]: With dead ends: 3087 [2023-11-06 22:55:34,222 INFO L226 Difference]: Without dead ends: 3085 [2023-11-06 22:55:34,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:34,225 INFO L413 NwaCegarLoop]: 993 mSDtfsCounter, 927 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:34,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 1339 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:55:34,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2023-11-06 22:55:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2367. [2023-11-06 22:55:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1757 states have (on average 1.248719408081958) internal successors, (2194), 1767 states have internal predecessors, (2194), 422 states have call successors, (422), 181 states have call predecessors, (422), 186 states have return successors, (432), 432 states have call predecessors, (432), 422 states have call successors, (432) [2023-11-06 22:55:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3048 transitions. [2023-11-06 22:55:34,458 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3048 transitions. Word has length 112 [2023-11-06 22:55:34,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:34,459 INFO L495 AbstractCegarLoop]: Abstraction has 2367 states and 3048 transitions. [2023-11-06 22:55:34,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:55:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3048 transitions. [2023-11-06 22:55:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-06 22:55:34,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:34,463 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:34,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:34,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:34,671 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:34,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:34,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1267376734, now seen corresponding path program 1 times [2023-11-06 22:55:34,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:34,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069817490] [2023-11-06 22:55:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:34,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:34,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:34,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069817490] [2023-11-06 22:55:34,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069817490] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:34,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202770471] [2023-11-06 22:55:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:34,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:35,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:35,001 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:55:35,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:55:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:35,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:55:35,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:35,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:55:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:55:35,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202770471] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:55:35,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:55:35,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2023-11-06 22:55:35,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279243240] [2023-11-06 22:55:35,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:55:35,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:55:35,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:35,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:55:35,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:55:35,732 INFO L87 Difference]: Start difference. First operand 2367 states and 3048 transitions. Second operand has 10 states, 9 states have (on average 21.0) internal successors, (189), 7 states have internal predecessors, (189), 4 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-06 22:55:39,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:39,911 INFO L93 Difference]: Finished difference Result 6555 states and 8894 transitions. [2023-11-06 22:55:39,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:55:39,911 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 21.0) internal successors, (189), 7 states have internal predecessors, (189), 4 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 113 [2023-11-06 22:55:39,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:39,941 INFO L225 Difference]: With dead ends: 6555 [2023-11-06 22:55:39,941 INFO L226 Difference]: Without dead ends: 6553 [2023-11-06 22:55:39,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:55:39,946 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 4070 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 1917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 3472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1917 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:39,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4307 Valid, 1718 Invalid, 3472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1917 Valid, 1555 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-06 22:55:39,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6553 states. [2023-11-06 22:55:40,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6553 to 3903. [2023-11-06 22:55:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3903 states, 2896 states have (on average 1.2493093922651934) internal successors, (3618), 2911 states have internal predecessors, (3618), 699 states have call successors, (699), 299 states have call predecessors, (699), 307 states have return successors, (715), 715 states have call predecessors, (715), 699 states have call successors, (715) [2023-11-06 22:55:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3903 states and 5032 transitions. [2023-11-06 22:55:40,436 INFO L78 Accepts]: Start accepts. Automaton has 3903 states and 5032 transitions. Word has length 113 [2023-11-06 22:55:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:40,436 INFO L495 AbstractCegarLoop]: Abstraction has 3903 states and 5032 transitions. [2023-11-06 22:55:40,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 21.0) internal successors, (189), 7 states have internal predecessors, (189), 4 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-06 22:55:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 5032 transitions. [2023-11-06 22:55:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:55:40,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:40,445 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-06 22:55:40,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:40,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:55:40,652 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:40,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:40,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2035704840, now seen corresponding path program 1 times [2023-11-06 22:55:40,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287260924] [2023-11-06 22:55:40,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:40,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:55:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 22:55:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 22:55:40,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:40,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287260924] [2023-11-06 22:55:40,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287260924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:40,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:40,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:55:40,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359487513] [2023-11-06 22:55:40,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:40,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:55:40,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:40,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:55:40,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:40,994 INFO L87 Difference]: Start difference. First operand 3903 states and 5032 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:55:43,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:43,379 INFO L93 Difference]: Finished difference Result 9088 states and 12102 transitions. [2023-11-06 22:55:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:55:43,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 135 [2023-11-06 22:55:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:43,401 INFO L225 Difference]: With dead ends: 9088 [2023-11-06 22:55:43,401 INFO L226 Difference]: Without dead ends: 5295 [2023-11-06 22:55:43,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:43,413 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 920 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:43,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 1649 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:55:43,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2023-11-06 22:55:43,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 3689. [2023-11-06 22:55:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3689 states, 2720 states have (on average 1.2345588235294118) internal successors, (3358), 2737 states have internal predecessors, (3358), 679 states have call successors, (679), 283 states have call predecessors, (679), 289 states have return successors, (691), 691 states have call predecessors, (691), 679 states have call successors, (691) [2023-11-06 22:55:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4728 transitions. [2023-11-06 22:55:43,845 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4728 transitions. Word has length 135 [2023-11-06 22:55:43,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:43,846 INFO L495 AbstractCegarLoop]: Abstraction has 3689 states and 4728 transitions. [2023-11-06 22:55:43,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:55:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4728 transitions. [2023-11-06 22:55:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-06 22:55:43,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:43,860 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:43,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:55:43,860 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:43,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1097089561, now seen corresponding path program 1 times [2023-11-06 22:55:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:43,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751622910] [2023-11-06 22:55:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:55:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:55:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-06 22:55:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:55:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-06 22:55:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-06 22:55:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-11-06 22:55:44,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:44,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751622910] [2023-11-06 22:55:44,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751622910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:44,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:44,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:55:44,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649837755] [2023-11-06 22:55:44,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:44,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:55:44,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:44,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:55:44,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:44,331 INFO L87 Difference]: Start difference. First operand 3689 states and 4728 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 22:55:46,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:46,474 INFO L93 Difference]: Finished difference Result 8980 states and 11888 transitions. [2023-11-06 22:55:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:55:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 228 [2023-11-06 22:55:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:46,490 INFO L225 Difference]: With dead ends: 8980 [2023-11-06 22:55:46,490 INFO L226 Difference]: Without dead ends: 4315 [2023-11-06 22:55:46,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:46,505 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 1381 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:46,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 1158 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [887 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:55:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2023-11-06 22:55:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 3028. [2023-11-06 22:55:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 2232 states have (on average 1.2258064516129032) internal successors, (2736), 2245 states have internal predecessors, (2736), 556 states have call successors, (556), 233 states have call predecessors, (556), 239 states have return successors, (568), 568 states have call predecessors, (568), 556 states have call successors, (568) [2023-11-06 22:55:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 3860 transitions. [2023-11-06 22:55:46,884 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 3860 transitions. Word has length 228 [2023-11-06 22:55:46,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:46,885 INFO L495 AbstractCegarLoop]: Abstraction has 3028 states and 3860 transitions. [2023-11-06 22:55:46,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 22:55:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 3860 transitions. [2023-11-06 22:55:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-06 22:55:46,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:46,895 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:46,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:55:46,896 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:46,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:46,896 INFO L85 PathProgramCache]: Analyzing trace with hash 832442071, now seen corresponding path program 1 times [2023-11-06 22:55:46,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:46,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712588348] [2023-11-06 22:55:46,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:46,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:55:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:55:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-06 22:55:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:55:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-06 22:55:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-06 22:55:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-06 22:55:47,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:47,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712588348] [2023-11-06 22:55:47,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712588348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:47,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:47,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:55:47,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626741880] [2023-11-06 22:55:47,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:47,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:55:47,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:47,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:55:47,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:47,343 INFO L87 Difference]: Start difference. First operand 3028 states and 3860 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:55:49,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:49,101 INFO L93 Difference]: Finished difference Result 7480 states and 9872 transitions. [2023-11-06 22:55:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:55:49,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 228 [2023-11-06 22:55:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:49,119 INFO L225 Difference]: With dead ends: 7480 [2023-11-06 22:55:49,119 INFO L226 Difference]: Without dead ends: 4449 [2023-11-06 22:55:49,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:55:49,130 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 1022 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:49,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1285 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:55:49,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2023-11-06 22:55:49,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 3028. [2023-11-06 22:55:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 2232 states have (on average 1.2244623655913978) internal successors, (2733), 2245 states have internal predecessors, (2733), 556 states have call successors, (556), 233 states have call predecessors, (556), 239 states have return successors, (568), 568 states have call predecessors, (568), 556 states have call successors, (568) [2023-11-06 22:55:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 3857 transitions. [2023-11-06 22:55:49,585 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 3857 transitions. Word has length 228 [2023-11-06 22:55:49,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:49,586 INFO L495 AbstractCegarLoop]: Abstraction has 3028 states and 3857 transitions. [2023-11-06 22:55:49,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:55:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 3857 transitions. [2023-11-06 22:55:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-06 22:55:49,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:49,598 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:49,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:55:49,598 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:49,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:49,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1557999526, now seen corresponding path program 1 times [2023-11-06 22:55:49,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:49,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139620386] [2023-11-06 22:55:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 22:55:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:55:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:55:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:55:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:55:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-06 22:55:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-06 22:55:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-06 22:55:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-06 22:55:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-06 22:55:50,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:50,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139620386] [2023-11-06 22:55:50,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139620386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:50,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:50,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:55:50,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926764675] [2023-11-06 22:55:50,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:50,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:55:50,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:50,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:55:50,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:50,095 INFO L87 Difference]: Start difference. First operand 3028 states and 3857 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:55:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:51,892 INFO L93 Difference]: Finished difference Result 7386 states and 9756 transitions. [2023-11-06 22:55:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:55:51,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 237 [2023-11-06 22:55:51,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:51,911 INFO L225 Difference]: With dead ends: 7386 [2023-11-06 22:55:51,912 INFO L226 Difference]: Without dead ends: 4450 [2023-11-06 22:55:51,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:51,923 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 350 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:51,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1954 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:55:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4450 states. [2023-11-06 22:55:52,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4450 to 3032. [2023-11-06 22:55:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2236 states have (on average 1.223613595706619) internal successors, (2736), 2249 states have internal predecessors, (2736), 556 states have call successors, (556), 233 states have call predecessors, (556), 239 states have return successors, (568), 568 states have call predecessors, (568), 556 states have call successors, (568) [2023-11-06 22:55:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 3860 transitions. [2023-11-06 22:55:52,361 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 3860 transitions. Word has length 237 [2023-11-06 22:55:52,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:52,361 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 3860 transitions. [2023-11-06 22:55:52,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:55:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3860 transitions. [2023-11-06 22:55:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-11-06 22:55:52,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:52,370 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-06 22:55:52,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:55:52,371 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 22:55:52,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:52,371 INFO L85 PathProgramCache]: Analyzing trace with hash -843274601, now seen corresponding path program 1 times [2023-11-06 22:55:52,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:52,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443317317] [2023-11-06 22:55:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:52,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:55:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:55:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:55:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:55:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:55:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:55:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:55:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:55:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:55:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-06 22:55:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-06 22:55:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:55:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:55:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-06 22:55:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-06 22:55:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-06 22:55:52,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:52,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443317317] [2023-11-06 22:55:52,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443317317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:52,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:52,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:55:52,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697714330] [2023-11-06 22:55:52,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:52,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:55:52,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:52,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:55:52,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:55:52,879 INFO L87 Difference]: Start difference. First operand 3032 states and 3860 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-06 22:55:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:53,117 INFO L93 Difference]: Finished difference Result 3156 states and 4002 transitions. [2023-11-06 22:55:53,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:55:53,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 258 [2023-11-06 22:55:53,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:53,118 INFO L225 Difference]: With dead ends: 3156 [2023-11-06 22:55:53,119 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:55:53,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:55:53,126 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 34 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:53,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 413 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:55:53,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:55:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:55:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:55:53,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 258 [2023-11-06 22:55:53,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:53,129 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:55:53,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-06 22:55:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:55:53,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:55:53,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-06 22:55:53,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-06 22:55:53,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-06 22:55:53,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-06 22:55:53,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-06 22:55:53,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-06 22:55:53,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-06 22:55:53,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-06 22:55:53,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-06 22:55:53,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-06 22:55:53,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:55:53,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:56:04,563 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7281 7291) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or .cse0 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse1))) [2023-11-06 22:56:04,564 INFO L899 garLoopResultBuilder]: For program point L7284-2(lines 7281 7291) no Hoare annotation was computed. [2023-11-06 22:56:04,564 INFO L899 garLoopResultBuilder]: For program point L7284(lines 7284 7288) no Hoare annotation was computed. [2023-11-06 22:56:04,564 INFO L899 garLoopResultBuilder]: For program point tgt_ring_idx_incEXIT(lines 7281 7291) no Hoare annotation was computed. [2023-11-06 22:56:04,564 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8215 8217) the Hoare annotation is: true [2023-11-06 22:56:04,564 INFO L899 garLoopResultBuilder]: For program point __raw_spin_lock_initEXIT(lines 8215 8217) no Hoare annotation was computed. [2023-11-06 22:56:04,565 INFO L899 garLoopResultBuilder]: For program point __raw_spin_lock_initFINAL(lines 8215 8217) no Hoare annotation was computed. [2023-11-06 22:56:04,565 INFO L895 garLoopResultBuilder]: At program point free_pages_returnLabel#1(lines 8264 8266) the Hoare annotation is: (or (= |tgt_ring_exit_~i~3#1| 0) (and (<= |tgt_ring_exit_~i~3#1| 2147483645) (<= 1 |tgt_ring_exit_~i~3#1|))) [2023-11-06 22:56:04,565 INFO L895 garLoopResultBuilder]: At program point ldv_50147(lines 7595 7609) the Hoare annotation is: (or (= |tgt_ring_exit_~i~3#1| 0) (and (<= |tgt_ring_exit_~i~3#1| 2147483645) (<= 1 |tgt_ring_exit_~i~3#1|))) [2023-11-06 22:56:04,565 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7600) no Hoare annotation was computed. [2023-11-06 22:56:04,565 INFO L899 garLoopResultBuilder]: For program point L7600-1(line 7600) no Hoare annotation was computed. [2023-11-06 22:56:04,565 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7600) no Hoare annotation was computed. [2023-11-06 22:56:04,566 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitEXIT(lines 7593 7610) no Hoare annotation was computed. [2023-11-06 22:56:04,566 INFO L899 garLoopResultBuilder]: For program point L7600(line 7600) no Hoare annotation was computed. [2023-11-06 22:56:04,566 INFO L895 garLoopResultBuilder]: At program point tgt_ring_exitFINAL(lines 7593 7610) the Hoare annotation is: (and (<= |tgt_ring_exit_~i~3#1| 2147483646) (<= 1 |tgt_ring_exit_~i~3#1|)) [2023-11-06 22:56:04,566 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7593 7610) the Hoare annotation is: true [2023-11-06 22:56:04,567 INFO L895 garLoopResultBuilder]: At program point $Ultimate##2(lines 7602 7606) the Hoare annotation is: (or (= |tgt_ring_exit_~i~3#1| 0) (and (<= |tgt_ring_exit_~i~3#1| 2147483646) (<= 1 |tgt_ring_exit_~i~3#1|))) [2023-11-06 22:56:04,567 INFO L895 garLoopResultBuilder]: At program point __phys_addr_returnLabel#1(lines 8212 8214) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483645) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 .cse1 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse2) (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 .cse2 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-06 22:56:04,567 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7545) no Hoare annotation was computed. [2023-11-06 22:56:04,567 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7545) no Hoare annotation was computed. [2023-11-06 22:56:04,568 INFO L895 garLoopResultBuilder]: At program point ldv_50127(lines 7533 7554) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483645) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 .cse1 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse2) (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 .cse2 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-06 22:56:04,568 INFO L899 garLoopResultBuilder]: For program point L7545-1(line 7545) no Hoare annotation was computed. [2023-11-06 22:56:04,568 INFO L895 garLoopResultBuilder]: At program point ldv_50129(lines 7533 7554) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483646) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) .cse0 .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or .cse0 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse1))) [2023-11-06 22:56:04,568 INFO L899 garLoopResultBuilder]: For program point L7545(line 7545) no Hoare annotation was computed. [2023-11-06 22:56:04,568 INFO L899 garLoopResultBuilder]: For program point L7540(lines 7540 7543) no Hoare annotation was computed. [2023-11-06 22:56:04,568 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapEXIT(lines 7528 7555) no Hoare annotation was computed. [2023-11-06 22:56:04,569 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7528 7555) the Hoare annotation is: true [2023-11-06 22:56:04,569 INFO L895 garLoopResultBuilder]: At program point vm_insert_page_returnLabel#1(lines 8346 8348) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483645) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 .cse1 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse2) (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 .cse2 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-06 22:56:04,569 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapFINAL(lines 7528 7555) no Hoare annotation was computed. [2023-11-06 22:56:04,569 INFO L895 garLoopResultBuilder]: At program point $Ultimate##4(lines 7547 7551) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483646) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) .cse0 .cse1 .cse2 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or .cse0 .cse1 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse2))) [2023-11-06 22:56:04,569 INFO L899 garLoopResultBuilder]: For program point printkFINAL(lines 8322 8324) no Hoare annotation was computed. [2023-11-06 22:56:04,570 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8322 8324) the Hoare annotation is: true [2023-11-06 22:56:04,570 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 8322 8324) no Hoare annotation was computed. [2023-11-06 22:56:04,570 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_destroyFINAL(lines 6604 6619) no Hoare annotation was computed. [2023-11-06 22:56:04,570 INFO L902 garLoopResultBuilder]: At program point __scsi_put_command_returnLabel#1(lines 8224 8226) the Hoare annotation is: true [2023-11-06 22:56:04,570 INFO L899 garLoopResultBuilder]: For program point L6615-1(line 6615) no Hoare annotation was computed. [2023-11-06 22:56:04,570 INFO L902 garLoopResultBuilder]: At program point L6615(line 6615) the Hoare annotation is: true [2023-11-06 22:56:04,570 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2023-11-06 22:56:04,571 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or .cse0 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse1))) [2023-11-06 22:56:04,571 INFO L899 garLoopResultBuilder]: For program point L6575-1(line 6575) no Hoare annotation was computed. [2023-11-06 22:56:04,571 INFO L902 garLoopResultBuilder]: At program point L6575(line 6575) the Hoare annotation is: true [2023-11-06 22:56:04,571 INFO L902 garLoopResultBuilder]: At program point __blk_put_request_returnLabel#1(lines 8199 8201) the Hoare annotation is: true [2023-11-06 22:56:04,571 INFO L899 garLoopResultBuilder]: For program point L6571-1(line 6571) no Hoare annotation was computed. [2023-11-06 22:56:04,571 INFO L902 garLoopResultBuilder]: At program point L6571(line 6571) the Hoare annotation is: true [2023-11-06 22:56:04,572 INFO L899 garLoopResultBuilder]: For program point L6572-1(line 6572) no Hoare annotation was computed. [2023-11-06 22:56:04,572 INFO L902 garLoopResultBuilder]: At program point L6572(line 6572) the Hoare annotation is: true [2023-11-06 22:56:04,572 INFO L899 garLoopResultBuilder]: For program point L6573-1(line 6573) no Hoare annotation was computed. [2023-11-06 22:56:04,572 INFO L902 garLoopResultBuilder]: At program point scsi_host_put_command_returnLabel#1(lines 6561 6579) the Hoare annotation is: true [2023-11-06 22:56:04,572 INFO L902 garLoopResultBuilder]: At program point L6573(line 6573) the Hoare annotation is: true [2023-11-06 22:56:04,572 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6604 6619) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or .cse0 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse1))) [2023-11-06 22:56:04,573 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_destroyEXIT(lines 6604 6619) no Hoare annotation was computed. [2023-11-06 22:56:04,573 INFO L899 garLoopResultBuilder]: For program point L6427-1(line 6427) no Hoare annotation was computed. [2023-11-06 22:56:04,573 INFO L902 garLoopResultBuilder]: At program point L6427(line 6427) the Hoare annotation is: true [2023-11-06 22:56:04,573 INFO L902 garLoopResultBuilder]: At program point ldv_50105(lines 7485 7499) the Hoare annotation is: true [2023-11-06 22:56:04,573 INFO L899 garLoopResultBuilder]: For program point L6807(line 6807) no Hoare annotation was computed. [2023-11-06 22:56:04,573 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_transfer_response_returnLabel#1(lines 6797 6812) the Hoare annotation is: true [2023-11-06 22:56:04,574 INFO L899 garLoopResultBuilder]: For program point L7055-1(line 7055) no Hoare annotation was computed. [2023-11-06 22:56:04,574 INFO L902 garLoopResultBuilder]: At program point L7055(line 7055) the Hoare annotation is: true [2023-11-06 22:56:04,574 INFO L902 garLoopResultBuilder]: At program point might_fault_returnLabel#1(lines 8296 8298) the Hoare annotation is: true [2023-11-06 22:56:04,574 INFO L899 garLoopResultBuilder]: For program point L6940(lines 6940 6944) no Hoare annotation was computed. [2023-11-06 22:56:04,574 INFO L899 garLoopResultBuilder]: For program point L6973-1(line 6973) no Hoare annotation was computed. [2023-11-06 22:56:04,574 INFO L902 garLoopResultBuilder]: At program point L6973(line 6973) the Hoare annotation is: true [2023-11-06 22:56:04,574 INFO L899 garLoopResultBuilder]: For program point L6858(lines 6858 6862) no Hoare annotation was computed. [2023-11-06 22:56:04,575 INFO L899 garLoopResultBuilder]: For program point L7469(line 7469) no Hoare annotation was computed. [2023-11-06 22:56:04,575 INFO L902 garLoopResultBuilder]: At program point L6974(line 6974) the Hoare annotation is: true [2023-11-06 22:56:04,575 INFO L899 garLoopResultBuilder]: For program point L7007-1(line 7007) no Hoare annotation was computed. [2023-11-06 22:56:04,575 INFO L902 garLoopResultBuilder]: At program point L7007(line 7007) the Hoare annotation is: true [2023-11-06 22:56:04,575 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_kspace_it_nexus_rsp_returnLabel#1(lines 7048 7069) the Hoare annotation is: true [2023-11-06 22:56:04,575 INFO L899 garLoopResultBuilder]: For program point L6941-1(line 6941) no Hoare annotation was computed. [2023-11-06 22:56:04,575 INFO L902 garLoopResultBuilder]: At program point L6941(line 6941) the Hoare annotation is: true [2023-11-06 22:56:04,576 INFO L899 garLoopResultBuilder]: For program point L6974-1(line 6974) no Hoare annotation was computed. [2023-11-06 22:56:04,576 INFO L899 garLoopResultBuilder]: For program point L6859-1(line 6859) no Hoare annotation was computed. [2023-11-06 22:56:04,576 INFO L902 garLoopResultBuilder]: At program point L6859(line 6859) the Hoare annotation is: true [2023-11-06 22:56:04,576 INFO L902 garLoopResultBuilder]: At program point blk_rq_bytes_returnLabel#1(lines 6448 6453) the Hoare annotation is: true [2023-11-06 22:56:04,576 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_kspace_exec_returnLabel#1(lines 6920 6987) the Hoare annotation is: true [2023-11-06 22:56:04,577 INFO L902 garLoopResultBuilder]: At program point L6430(line 6430) the Hoare annotation is: true [2023-11-06 22:56:04,577 INFO L902 garLoopResultBuilder]: At program point L6975-1(line 6975) the Hoare annotation is: true [2023-11-06 22:56:04,577 INFO L902 garLoopResultBuilder]: At program point L7487(lines 7485 7499) the Hoare annotation is: true [2023-11-06 22:56:04,577 INFO L902 garLoopResultBuilder]: At program point L6975(line 6975) the Hoare annotation is: true [2023-11-06 22:56:04,577 INFO L899 garLoopResultBuilder]: For program point L7008(lines 7008 7012) no Hoare annotation was computed. [2023-11-06 22:56:04,577 INFO L899 garLoopResultBuilder]: For program point L6876-1(line 6876) no Hoare annotation was computed. [2023-11-06 22:56:04,577 INFO L902 garLoopResultBuilder]: At program point L6876(line 6876) the Hoare annotation is: true [2023-11-06 22:56:04,578 INFO L899 garLoopResultBuilder]: For program point L6430-1(line 6430) no Hoare annotation was computed. [2023-11-06 22:56:04,578 INFO L899 garLoopResultBuilder]: For program point L6893-1(line 6893) no Hoare annotation was computed. [2023-11-06 22:56:04,578 INFO L902 garLoopResultBuilder]: At program point L6893(line 6893) the Hoare annotation is: true [2023-11-06 22:56:04,578 INFO L899 garLoopResultBuilder]: For program point L7488-1(line 7488) no Hoare annotation was computed. [2023-11-06 22:56:04,578 INFO L899 garLoopResultBuilder]: For program point L6431(lines 6431 6435) no Hoare annotation was computed. [2023-11-06 22:56:04,578 INFO L902 garLoopResultBuilder]: At program point L7488(line 7488) the Hoare annotation is: true [2023-11-06 22:56:04,579 INFO L899 garLoopResultBuilder]: For program point L7009-1(line 7009) no Hoare annotation was computed. [2023-11-06 22:56:04,579 INFO L902 garLoopResultBuilder]: At program point L7009(line 7009) the Hoare annotation is: true [2023-11-06 22:56:04,579 INFO L902 garLoopResultBuilder]: At program point L6431-2(lines 6431 6435) the Hoare annotation is: true [2023-11-06 22:56:04,579 INFO L899 garLoopResultBuilder]: For program point L7059(lines 7059 7063) no Hoare annotation was computed. [2023-11-06 22:56:04,579 INFO L899 garLoopResultBuilder]: For program point L6960-2(lines 6932 6986) no Hoare annotation was computed. [2023-11-06 22:56:04,579 INFO L899 garLoopResultBuilder]: For program point L6960(lines 6960 6963) no Hoare annotation was computed. [2023-11-06 22:56:04,579 INFO L899 garLoopResultBuilder]: For program point L7489(lines 7489 7492) no Hoare annotation was computed. [2023-11-06 22:56:04,579 INFO L899 garLoopResultBuilder]: For program point L7060-1(line 7060) no Hoare annotation was computed. [2023-11-06 22:56:04,580 INFO L902 garLoopResultBuilder]: At program point L7060(line 7060) the Hoare annotation is: true [2023-11-06 22:56:04,580 INFO L899 garLoopResultBuilder]: For program point L6895-1(line 6895) no Hoare annotation was computed. [2023-11-06 22:56:04,580 INFO L902 garLoopResultBuilder]: At program point copy_from_user_returnLabel#1(lines 6410 6441) the Hoare annotation is: true [2023-11-06 22:56:04,580 INFO L902 garLoopResultBuilder]: At program point L6895(line 6895) the Hoare annotation is: true [2023-11-06 22:56:04,580 INFO L899 garLoopResultBuilder]: For program point L7473(line 7473) no Hoare annotation was computed. [2023-11-06 22:56:04,580 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_abort_cmd_returnLabel#1(lines 6866 6879) the Hoare annotation is: true [2023-11-06 22:56:04,581 INFO L902 garLoopResultBuilder]: At program point L7474(line 7474) the Hoare annotation is: true [2023-11-06 22:56:04,581 INFO L899 garLoopResultBuilder]: For program point L6830(lines 6830 6834) no Hoare annotation was computed. [2023-11-06 22:56:04,581 INFO L899 garLoopResultBuilder]: For program point L6896-1(line 6896) no Hoare annotation was computed. [2023-11-06 22:56:04,581 INFO L902 garLoopResultBuilder]: At program point L6896(line 6896) the Hoare annotation is: true [2023-11-06 22:56:04,581 INFO L899 garLoopResultBuilder]: For program point L7474-1(line 7474) no Hoare annotation was computed. [2023-11-06 22:56:04,581 INFO L899 garLoopResultBuilder]: For program point L6946(lines 6946 6951) no Hoare annotation was computed. [2023-11-06 22:56:04,581 INFO L899 garLoopResultBuilder]: For program point L7458(lines 7458 7476) no Hoare annotation was computed. [2023-11-06 22:56:04,581 INFO L902 garLoopResultBuilder]: At program point L6831-1(lines 6818 6840) the Hoare annotation is: true [2023-11-06 22:56:04,582 INFO L902 garLoopResultBuilder]: At program point L6831(line 6831) the Hoare annotation is: true [2023-11-06 22:56:04,582 INFO L899 garLoopResultBuilder]: For program point L6947-1(line 6947) no Hoare annotation was computed. [2023-11-06 22:56:04,582 INFO L899 garLoopResultBuilder]: For program point L7459(line 7459) no Hoare annotation was computed. [2023-11-06 22:56:04,582 INFO L902 garLoopResultBuilder]: At program point L6947(line 6947) the Hoare annotation is: true [2023-11-06 22:56:04,582 INFO L899 garLoopResultBuilder]: For program point L7013(lines 7013 7017) no Hoare annotation was computed. [2023-11-06 22:56:04,582 INFO L899 garLoopResultBuilder]: For program point L6964-1(lines 6964 6981) no Hoare annotation was computed. [2023-11-06 22:56:04,582 INFO L902 garLoopResultBuilder]: At program point L7014(line 7014) the Hoare annotation is: true [2023-11-06 22:56:04,583 INFO L899 garLoopResultBuilder]: For program point L7493-1(line 7493) no Hoare annotation was computed. [2023-11-06 22:56:04,583 INFO L899 garLoopResultBuilder]: For program point L6436(line 6436) no Hoare annotation was computed. [2023-11-06 22:56:04,583 INFO L902 garLoopResultBuilder]: At program point L7493(line 7493) the Hoare annotation is: true [2023-11-06 22:56:04,583 INFO L899 garLoopResultBuilder]: For program point L7014-1(line 7014) no Hoare annotation was computed. [2023-11-06 22:56:04,583 INFO L902 garLoopResultBuilder]: At program point warn_slowpath_fmt_returnLabel#1(lines 8349 8351) the Hoare annotation is: true [2023-11-06 22:56:04,583 INFO L902 garLoopResultBuilder]: At program point L7477(lines 7456 7479) the Hoare annotation is: true [2023-11-06 22:56:04,583 INFO L899 garLoopResultBuilder]: For program point L6916(line 6916) no Hoare annotation was computed. [2023-11-06 22:56:04,584 INFO L902 garLoopResultBuilder]: At program point event_recv_msg_returnLabel#1(lines 7454 7480) the Hoare annotation is: true [2023-11-06 22:56:04,584 INFO L902 garLoopResultBuilder]: At program point tgt_cmd_hash_lookup_ldv_31230#1(lines 6890 6918) the Hoare annotation is: true [2023-11-06 22:56:04,584 INFO L902 garLoopResultBuilder]: At program point L7065(lines 7051 7068) the Hoare annotation is: true [2023-11-06 22:56:04,584 INFO L899 garLoopResultBuilder]: For program point L6421-1(line 6421) no Hoare annotation was computed. [2023-11-06 22:56:04,584 INFO L902 garLoopResultBuilder]: At program point L6421(line 6421) the Hoare annotation is: true [2023-11-06 22:56:04,585 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7481 7500) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_state_variable_0~0 3))) (.cse1 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse0 .cse1) (or (not (= ~ldv_state_variable_1~0 2)) .cse0 (< 1 ~ref_cnt~0) .cse1 (< ~ref_cnt~0 1)))) [2023-11-06 22:56:04,585 INFO L902 garLoopResultBuilder]: At program point L6983(lines 6932 6986) the Hoare annotation is: true [2023-11-06 22:56:04,585 INFO L902 garLoopResultBuilder]: At program point $Ultimate##12(lines 6910 6914) the Hoare annotation is: true [2023-11-06 22:56:04,585 INFO L899 garLoopResultBuilder]: For program point L7066(line 7066) no Hoare annotation was computed. [2023-11-06 22:56:04,585 INFO L902 garLoopResultBuilder]: At program point L6934(line 6934) the Hoare annotation is: true [2023-11-06 22:56:04,585 INFO L899 garLoopResultBuilder]: For program point L6422(lines 6422 6438) no Hoare annotation was computed. [2023-11-06 22:56:04,585 INFO L899 garLoopResultBuilder]: For program point L6967(lines 6967 6979) no Hoare annotation was computed. [2023-11-06 22:56:04,586 INFO L902 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: true [2023-11-06 22:56:04,586 INFO L899 garLoopResultBuilder]: For program point L6934-1(line 6934) no Hoare annotation was computed. [2023-11-06 22:56:04,586 INFO L899 garLoopResultBuilder]: For program point L6901(lines 6901 6906) no Hoare annotation was computed. [2023-11-06 22:56:04,586 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2023-11-06 22:56:04,586 INFO L899 garLoopResultBuilder]: For program point L6984(line 6984) no Hoare annotation was computed. [2023-11-06 22:56:04,586 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_kspace_tsk_mgmt_returnLabel#1(lines 7002 7023) the Hoare annotation is: true [2023-11-06 22:56:04,586 INFO L899 garLoopResultBuilder]: For program point tgt_writeFINAL(lines 7481 7500) no Hoare annotation was computed. [2023-11-06 22:56:04,587 INFO L899 garLoopResultBuilder]: For program point L6852-2(lines 6852 6856) no Hoare annotation was computed. [2023-11-06 22:56:04,587 INFO L899 garLoopResultBuilder]: For program point L6852(lines 6852 6856) no Hoare annotation was computed. [2023-11-06 22:56:04,587 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~int_returnLabel#1(line -1) the Hoare annotation is: true [2023-11-06 22:56:04,587 INFO L899 garLoopResultBuilder]: For program point L6423-1(line 6423) no Hoare annotation was computed. [2023-11-06 22:56:04,587 INFO L899 garLoopResultBuilder]: For program point L6935(lines 6935 6939) no Hoare annotation was computed. [2023-11-06 22:56:04,587 INFO L902 garLoopResultBuilder]: At program point L6423(line 6423) the Hoare annotation is: true [2023-11-06 22:56:04,587 INFO L899 garLoopResultBuilder]: For program point L6968-1(lines 6968 6969) no Hoare annotation was computed. [2023-11-06 22:56:04,588 INFO L902 garLoopResultBuilder]: At program point L6968(lines 6968 6969) the Hoare annotation is: true [2023-11-06 22:56:04,588 INFO L902 garLoopResultBuilder]: At program point blk_rq_map_user_returnLabel#1(lines 8254 8256) the Hoare annotation is: true [2023-11-06 22:56:04,588 INFO L899 garLoopResultBuilder]: For program point tgt_writeEXIT(lines 7481 7500) no Hoare annotation was computed. [2023-11-06 22:56:04,588 INFO L902 garLoopResultBuilder]: At program point scsi_init_io_returnLabel#1(lines 8339 8341) the Hoare annotation is: true [2023-11-06 22:56:04,588 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,588 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-06 22:56:04,588 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,589 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,589 INFO L902 garLoopResultBuilder]: At program point L-1-5(line -1) the Hoare annotation is: true [2023-11-06 22:56:04,589 INFO L902 garLoopResultBuilder]: At program point L6903-1(lines 6890 6918) the Hoare annotation is: true [2023-11-06 22:56:04,589 INFO L902 garLoopResultBuilder]: At program point tgt_cmd_hash_lookup_returnLabel#1(lines 6880 6919) the Hoare annotation is: true [2023-11-06 22:56:04,589 INFO L902 garLoopResultBuilder]: At program point L6870(line 6870) the Hoare annotation is: true [2023-11-06 22:56:04,589 INFO L899 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,589 INFO L899 garLoopResultBuilder]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2023-11-06 22:56:04,590 INFO L902 garLoopResultBuilder]: At program point L6903(line 6903) the Hoare annotation is: true [2023-11-06 22:56:04,590 INFO L902 garLoopResultBuilder]: At program point L6936(line 6936) the Hoare annotation is: true [2023-11-06 22:56:04,590 INFO L902 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: true [2023-11-06 22:56:04,590 INFO L899 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,590 INFO L899 garLoopResultBuilder]: For program point L-1-10(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,590 INFO L899 garLoopResultBuilder]: For program point L-1-12(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,590 INFO L899 garLoopResultBuilder]: For program point L6870-1(line 6870) no Hoare annotation was computed. [2023-11-06 22:56:04,590 INFO L899 garLoopResultBuilder]: For program point L-1-13(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,591 INFO L902 garLoopResultBuilder]: At program point L7019(lines 7005 7022) the Hoare annotation is: true [2023-11-06 22:56:04,591 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_copy_sense_returnLabel#1(lines 6842 6865) the Hoare annotation is: true [2023-11-06 22:56:04,591 INFO L899 garLoopResultBuilder]: For program point L6953(lines 6953 6957) no Hoare annotation was computed. [2023-11-06 22:56:04,591 INFO L899 garLoopResultBuilder]: For program point L7465(line 7465) no Hoare annotation was computed. [2023-11-06 22:56:04,591 INFO L899 garLoopResultBuilder]: For program point L6838(line 6838) no Hoare annotation was computed. [2023-11-06 22:56:04,591 INFO L899 garLoopResultBuilder]: For program point L6871(lines 6871 6874) no Hoare annotation was computed. [2023-11-06 22:56:04,591 INFO L899 garLoopResultBuilder]: For program point L6425-1(line 6425) no Hoare annotation was computed. [2023-11-06 22:56:04,592 INFO L902 garLoopResultBuilder]: At program point L6425(line 6425) the Hoare annotation is: true [2023-11-06 22:56:04,592 INFO L899 garLoopResultBuilder]: For program point L6871-2(lines 6871 6874) no Hoare annotation was computed. [2023-11-06 22:56:04,592 INFO L899 garLoopResultBuilder]: For program point L6805(lines 6805 6809) no Hoare annotation was computed. [2023-11-06 22:56:04,592 INFO L899 garLoopResultBuilder]: For program point L7020(line 7020) no Hoare annotation was computed. [2023-11-06 22:56:04,592 INFO L899 garLoopResultBuilder]: For program point L7053-1(line 7053) no Hoare annotation was computed. [2023-11-06 22:56:04,592 INFO L902 garLoopResultBuilder]: At program point L7053(line 7053) the Hoare annotation is: true [2023-11-06 22:56:04,592 INFO L899 garLoopResultBuilder]: For program point L6822(lines 6822 6827) no Hoare annotation was computed. [2023-11-06 22:56:04,593 INFO L902 garLoopResultBuilder]: At program point scsi_map_user_pages_returnLabel#1(lines 6813 6841) the Hoare annotation is: true [2023-11-06 22:56:04,593 INFO L899 garLoopResultBuilder]: For program point L6426(lines 6426 6437) no Hoare annotation was computed. [2023-11-06 22:56:04,593 INFO L899 garLoopResultBuilder]: For program point L6971-1(line 6971) no Hoare annotation was computed. [2023-11-06 22:56:04,593 INFO L902 garLoopResultBuilder]: At program point L6971(line 6971) the Hoare annotation is: true [2023-11-06 22:56:04,593 INFO L899 garLoopResultBuilder]: For program point L6806(line 6806) no Hoare annotation was computed. [2023-11-06 22:56:04,593 INFO L899 garLoopResultBuilder]: For program point L6872-1(line 6872) no Hoare annotation was computed. [2023-11-06 22:56:04,593 INFO L902 garLoopResultBuilder]: At program point L6872(line 6872) the Hoare annotation is: true [2023-11-06 22:56:04,594 INFO L899 garLoopResultBuilder]: For program point L6426-2(lines 6422 6438) no Hoare annotation was computed. [2023-11-06 22:56:04,594 INFO L899 garLoopResultBuilder]: For program point L6806-2(line 6806) no Hoare annotation was computed. [2023-11-06 22:56:04,594 INFO L899 garLoopResultBuilder]: For program point L7054(lines 7054 7058) no Hoare annotation was computed. [2023-11-06 22:56:04,594 INFO L899 garLoopResultBuilder]: For program point L6823-1(lines 6823 6824) no Hoare annotation was computed. [2023-11-06 22:56:04,594 INFO L902 garLoopResultBuilder]: At program point L6823(lines 6823 6824) the Hoare annotation is: true [2023-11-06 22:56:04,594 INFO L899 garLoopResultBuilder]: For program point L7616-1(lines 7616 7617) no Hoare annotation was computed. [2023-11-06 22:56:04,595 INFO L895 garLoopResultBuilder]: At program point L7616(lines 7616 7617) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1))) [2023-11-06 22:56:04,595 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initFINAL(lines 7611 7637) no Hoare annotation was computed. [2023-11-06 22:56:04,595 INFO L899 garLoopResultBuilder]: For program point L7627-1(line 7627) no Hoare annotation was computed. [2023-11-06 22:56:04,595 INFO L899 garLoopResultBuilder]: For program point L7627(line 7627) no Hoare annotation was computed. [2023-11-06 22:56:04,595 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7611 7637) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2023-11-06 22:56:04,595 INFO L899 garLoopResultBuilder]: For program point L7623-1(line 7623) no Hoare annotation was computed. [2023-11-06 22:56:04,596 INFO L895 garLoopResultBuilder]: At program point L7623(line 7623) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (<= |tgt_ring_init_~i~4#1| 2147483645) (<= 0 |tgt_ring_init_~i~4#1|))) [2023-11-06 22:56:04,596 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7627) no Hoare annotation was computed. [2023-11-06 22:56:04,596 INFO L895 garLoopResultBuilder]: At program point get_zeroed_page_returnLabel#1(lines 8271 8273) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (and (<= |tgt_ring_init_~i~4#1| 2147483645) (<= 1 |tgt_ring_init_~i~4#1|)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) (= |tgt_ring_init_~i~4#1| 0)) [2023-11-06 22:56:04,596 INFO L895 garLoopResultBuilder]: At program point $Ultimate##4(lines 7629 7633) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (<= |tgt_ring_init_~i~4#1| 2147483646) (<= 1 |tgt_ring_init_~i~4#1|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |tgt_ring_init_~i~4#1| 0)) (not (= ~ldv_state_variable_0~0 1))) [2023-11-06 22:56:04,596 INFO L899 garLoopResultBuilder]: For program point L7615-1(line 7615) no Hoare annotation was computed. [2023-11-06 22:56:04,597 INFO L895 garLoopResultBuilder]: At program point L7615(line 7615) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1))) [2023-11-06 22:56:04,597 INFO L895 garLoopResultBuilder]: At program point ldv_50156(lines 7614 7636) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (and (<= |tgt_ring_init_~i~4#1| 2147483645) (<= 1 |tgt_ring_init_~i~4#1|)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) (= |tgt_ring_init_~i~4#1| 0)) [2023-11-06 22:56:04,597 INFO L895 garLoopResultBuilder]: At program point ldv_50158(lines 7614 7636) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (<= |tgt_ring_init_~i~4#1| 2147483646) (<= 1 |tgt_ring_init_~i~4#1|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1))) [2023-11-06 22:56:04,597 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initEXIT(lines 7611 7637) no Hoare annotation was computed. [2023-11-06 22:56:04,597 INFO L899 garLoopResultBuilder]: For program point L7622(lines 7622 7626) no Hoare annotation was computed. [2023-11-06 22:56:04,597 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7627) no Hoare annotation was computed. [2023-11-06 22:56:04,598 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7842 7847) no Hoare annotation was computed. [2023-11-06 22:56:04,598 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 7842 7847) the Hoare annotation is: true [2023-11-06 22:56:04,598 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-06 22:56:04,598 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-06 22:56:04,598 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7842 7847) no Hoare annotation was computed. [2023-11-06 22:56:04,598 INFO L899 garLoopResultBuilder]: For program point list_delFINAL(lines 8290 8292) no Hoare annotation was computed. [2023-11-06 22:56:04,598 INFO L899 garLoopResultBuilder]: For program point list_delEXIT(lines 8290 8292) no Hoare annotation was computed. [2023-11-06 22:56:04,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8290 8292) the Hoare annotation is: true [2023-11-06 22:56:04,599 INFO L899 garLoopResultBuilder]: For program point kmem_cache_freeEXIT(lines 8283 8285) no Hoare annotation was computed. [2023-11-06 22:56:04,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8283 8285) the Hoare annotation is: true [2023-11-06 22:56:04,599 INFO L899 garLoopResultBuilder]: For program point kmem_cache_freeFINAL(lines 8283 8285) no Hoare annotation was computed. [2023-11-06 22:56:04,599 INFO L899 garLoopResultBuilder]: For program point tgt_head_eventFINAL(lines 7292 7300) no Hoare annotation was computed. [2023-11-06 22:56:04,599 INFO L899 garLoopResultBuilder]: For program point tgt_head_eventEXIT(lines 7292 7300) no Hoare annotation was computed. [2023-11-06 22:56:04,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7292 7300) the Hoare annotation is: true [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7519(line 7519) no Hoare annotation was computed. [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7521-2(line 7521) no Hoare annotation was computed. [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7521(line 7521) no Hoare annotation was computed. [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7261-2(lines 7261 7266) no Hoare annotation was computed. [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7261(lines 7261 7263) no Hoare annotation was computed. [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7521-4(line 7521) no Hoare annotation was computed. [2023-11-06 22:56:04,600 INFO L899 garLoopResultBuilder]: For program point L7513-1(line 7513) no Hoare annotation was computed. [2023-11-06 22:56:04,601 INFO L902 garLoopResultBuilder]: At program point L7261-4(lines 7257 7269) the Hoare annotation is: true [2023-11-06 22:56:04,601 INFO L902 garLoopResultBuilder]: At program point L7513(line 7513) the Hoare annotation is: true [2023-11-06 22:56:04,601 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7501 7527) the Hoare annotation is: true [2023-11-06 22:56:04,601 INFO L899 garLoopResultBuilder]: For program point L7524(line 7524) no Hoare annotation was computed. [2023-11-06 22:56:04,601 INFO L902 garLoopResultBuilder]: At program point L7520-2(lines 7520 7523) the Hoare annotation is: true [2023-11-06 22:56:04,601 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,602 INFO L899 garLoopResultBuilder]: For program point L7520(lines 7520 7523) no Hoare annotation was computed. [2023-11-06 22:56:04,602 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7518) no Hoare annotation was computed. [2023-11-06 22:56:04,602 INFO L899 garLoopResultBuilder]: For program point L7512-1(line 7512) no Hoare annotation was computed. [2023-11-06 22:56:04,602 INFO L902 garLoopResultBuilder]: At program point L7512(line 7512) the Hoare annotation is: true [2023-11-06 22:56:04,602 INFO L902 garLoopResultBuilder]: At program point L7514-2(lines 7514 7518) the Hoare annotation is: true [2023-11-06 22:56:04,602 INFO L899 garLoopResultBuilder]: For program point tgt_pollEXIT(lines 7501 7527) no Hoare annotation was computed. [2023-11-06 22:56:04,602 INFO L899 garLoopResultBuilder]: For program point tgt_pollFINAL(lines 7501 7527) no Hoare annotation was computed. [2023-11-06 22:56:04,602 INFO L899 garLoopResultBuilder]: For program point scsi_unmap_user_pagesFINAL(lines 6597 6603) no Hoare annotation was computed. [2023-11-06 22:56:04,603 INFO L902 garLoopResultBuilder]: At program point blk_rq_unmap_user_returnLabel#1(lines 8258 8260) the Hoare annotation is: true [2023-11-06 22:56:04,603 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6597 6603) the Hoare annotation is: true [2023-11-06 22:56:04,603 INFO L899 garLoopResultBuilder]: For program point scsi_unmap_user_pagesEXIT(lines 6597 6603) no Hoare annotation was computed. [2023-11-06 22:56:04,603 INFO L899 garLoopResultBuilder]: For program point _raw_spin_lock_irqsaveFINAL(lines 8235 8237) no Hoare annotation was computed. [2023-11-06 22:56:04,603 INFO L899 garLoopResultBuilder]: For program point _raw_spin_lock_irqsaveEXIT(lines 8235 8237) no Hoare annotation was computed. [2023-11-06 22:56:04,603 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8235 8237) the Hoare annotation is: true [2023-11-06 22:56:04,603 INFO L899 garLoopResultBuilder]: For program point scsi_host_putFINAL(lines 8335 8337) no Hoare annotation was computed. [2023-11-06 22:56:04,604 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8335 8337) the Hoare annotation is: true [2023-11-06 22:56:04,604 INFO L899 garLoopResultBuilder]: For program point scsi_host_putEXIT(lines 8335 8337) no Hoare annotation was computed. [2023-11-06 22:56:04,604 INFO L899 garLoopResultBuilder]: For program point L6474(line 6474) no Hoare annotation was computed. [2023-11-06 22:56:04,604 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6456 6476) the Hoare annotation is: true [2023-11-06 22:56:04,604 INFO L899 garLoopResultBuilder]: For program point L6474-2(line 6474) no Hoare annotation was computed. [2023-11-06 22:56:04,604 INFO L899 garLoopResultBuilder]: For program point hash_64EXIT(lines 6456 6476) no Hoare annotation was computed. [2023-11-06 22:56:04,605 INFO L899 garLoopResultBuilder]: For program point hash_64FINAL(lines 6456 6476) no Hoare annotation was computed. [2023-11-06 22:56:04,605 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-06 22:56:04,605 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,605 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,605 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7849 7854) no Hoare annotation was computed. [2023-11-06 22:56:04,605 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7849 7854) the Hoare annotation is: true [2023-11-06 22:56:04,605 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7849 7854) no Hoare annotation was computed. [2023-11-06 22:56:04,606 INFO L899 garLoopResultBuilder]: For program point tgt_openFINAL(lines 7580 7587) no Hoare annotation was computed. [2023-11-06 22:56:04,606 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7580 7587) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or .cse0 (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse1))) [2023-11-06 22:56:04,606 INFO L899 garLoopResultBuilder]: For program point tgt_openEXIT(lines 7580 7587) no Hoare annotation was computed. [2023-11-06 22:56:04,606 INFO L899 garLoopResultBuilder]: For program point scsi_host_lookupFINAL(lines 8332 8334) no Hoare annotation was computed. [2023-11-06 22:56:04,606 INFO L899 garLoopResultBuilder]: For program point L8333-1(line 8333) no Hoare annotation was computed. [2023-11-06 22:56:04,606 INFO L895 garLoopResultBuilder]: At program point L8333(line 8333) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse0 .cse1) (or (not (= ~ldv_state_variable_1~0 2)) .cse0 .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-06 22:56:04,607 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 8332 8334) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse0 .cse1) (or (not (= ~ldv_state_variable_1~0 2)) .cse0 .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-06 22:56:04,607 INFO L899 garLoopResultBuilder]: For program point scsi_host_lookupEXIT(lines 8332 8334) no Hoare annotation was computed. [2023-11-06 22:56:04,607 INFO L899 garLoopResultBuilder]: For program point L7576-1(line 7576) no Hoare annotation was computed. [2023-11-06 22:56:04,607 INFO L902 garLoopResultBuilder]: At program point L7576(line 7576) the Hoare annotation is: true [2023-11-06 22:56:04,607 INFO L899 garLoopResultBuilder]: For program point L7571-1(line 7571) no Hoare annotation was computed. [2023-11-06 22:56:04,607 INFO L899 garLoopResultBuilder]: For program point tgt_mmapEXIT(lines 7556 7579) no Hoare annotation was computed. [2023-11-06 22:56:04,608 INFO L902 garLoopResultBuilder]: At program point L7571(line 7571) the Hoare annotation is: true [2023-11-06 22:56:04,608 INFO L899 garLoopResultBuilder]: For program point L7572(lines 7572 7575) no Hoare annotation was computed. [2023-11-06 22:56:04,608 INFO L899 garLoopResultBuilder]: For program point tgt_mmapFINAL(lines 7556 7579) no Hoare annotation was computed. [2023-11-06 22:56:04,608 INFO L899 garLoopResultBuilder]: For program point L7564(lines 7564 7569) no Hoare annotation was computed. [2023-11-06 22:56:04,608 INFO L899 garLoopResultBuilder]: For program point L7565-1(lines 7565 7566) no Hoare annotation was computed. [2023-11-06 22:56:04,608 INFO L902 garLoopResultBuilder]: At program point L7565(lines 7565 7566) the Hoare annotation is: true [2023-11-06 22:56:04,608 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7556 7579) the Hoare annotation is: true [2023-11-06 22:56:04,609 INFO L899 garLoopResultBuilder]: For program point L7560(lines 7560 7563) no Hoare annotation was computed. [2023-11-06 22:56:04,609 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8342 8344) the Hoare annotation is: true [2023-11-06 22:56:04,609 INFO L899 garLoopResultBuilder]: For program point scsi_release_buffersFINAL(lines 8342 8344) no Hoare annotation was computed. [2023-11-06 22:56:04,609 INFO L899 garLoopResultBuilder]: For program point scsi_release_buffersEXIT(lines 8342 8344) no Hoare annotation was computed. [2023-11-06 22:56:04,609 INFO L899 garLoopResultBuilder]: For program point kmem_cache_destroyEXIT(lines 8280 8282) no Hoare annotation was computed. [2023-11-06 22:56:04,609 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8280 8282) the Hoare annotation is: true [2023-11-06 22:56:04,609 INFO L899 garLoopResultBuilder]: For program point kmem_cache_destroyFINAL(lines 8280 8282) no Hoare annotation was computed. [2023-11-06 22:56:04,609 INFO L902 garLoopResultBuilder]: At program point _raw_spin_unlock_irqrestore_returnLabel#1(lines 8238 8240) the Hoare annotation is: true [2023-11-06 22:56:04,610 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 6348 6354) no Hoare annotation was computed. [2023-11-06 22:56:04,610 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6348 6354) the Hoare annotation is: true [2023-11-06 22:56:04,610 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreFINAL(lines 6348 6354) no Hoare annotation was computed. [2023-11-06 22:56:04,610 INFO L899 garLoopResultBuilder]: For program point L6369(lines 6369 6371) no Hoare annotation was computed. [2023-11-06 22:56:04,610 INFO L902 garLoopResultBuilder]: At program point ldv_is_err_returnLabel#1(lines 6373 6376) the Hoare annotation is: true [2023-11-06 22:56:04,610 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 6377 6386) no Hoare annotation was computed. [2023-11-06 22:56:04,610 INFO L899 garLoopResultBuilder]: For program point L6379(lines 6379 6385) no Hoare annotation was computed. [2023-11-06 22:56:04,611 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6377 6386) the Hoare annotation is: (let ((.cse1 (not (= ~ldv_state_variable_0~0 3))) (.cse0 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)))) (and (or (< ~ref_cnt~0 0) (not (= ~ldv_state_variable_1~0 1)) (< 0 ~ref_cnt~0) .cse0 .cse1) (or (not (= ~ldv_state_variable_1~0 2)) .cse0 .cse1 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)) (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) .cse0))) [2023-11-06 22:56:04,611 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 6377 6386) no Hoare annotation was computed. [2023-11-06 22:56:04,611 INFO L899 garLoopResultBuilder]: For program point L6370(line 6370) no Hoare annotation was computed. [2023-11-06 22:56:04,611 INFO L899 garLoopResultBuilder]: For program point destroy_workqueueFINAL(lines 8261 8263) no Hoare annotation was computed. [2023-11-06 22:56:04,611 INFO L899 garLoopResultBuilder]: For program point destroy_workqueueEXIT(lines 8261 8263) no Hoare annotation was computed. [2023-11-06 22:56:04,611 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8261 8263) the Hoare annotation is: true [2023-11-06 22:56:04,612 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 8231 8233) no Hoare annotation was computed. [2023-11-06 22:56:04,612 INFO L899 garLoopResultBuilder]: For program point _copy_from_userFINAL(lines 8231 8233) no Hoare annotation was computed. [2023-11-06 22:56:04,612 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8231 8233) the Hoare annotation is: true [2023-11-06 22:56:04,616 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6298) the Hoare annotation is: true [2023-11-06 22:56:04,616 INFO L899 garLoopResultBuilder]: For program point list_addFINAL(lines 6292 6298) no Hoare annotation was computed. [2023-11-06 22:56:04,616 INFO L902 garLoopResultBuilder]: At program point __list_add_returnLabel#1(lines 8205 8207) the Hoare annotation is: true [2023-11-06 22:56:04,617 INFO L899 garLoopResultBuilder]: For program point list_addEXIT(lines 6292 6298) no Hoare annotation was computed. [2023-11-06 22:56:04,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7750) no Hoare annotation was computed. [2023-11-06 22:56:04,617 INFO L899 garLoopResultBuilder]: For program point L7137(lines 7137 7142) no Hoare annotation was computed. [2023-11-06 22:56:04,617 INFO L895 garLoopResultBuilder]: At program point ldv_initialize_returnLabel#1(lines 8169 8177) the Hoare annotation is: (and (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,617 INFO L899 garLoopResultBuilder]: For program point L7699-1(line 7699) no Hoare annotation was computed. [2023-11-06 22:56:04,617 INFO L895 garLoopResultBuilder]: At program point L7699(line 7699) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,618 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_init_returnLabel#1(lines 7070 7101) the Hoare annotation is: (let ((.cse6 (= ~ldv_state_variable_1~0 1)) (.cse1 (= |ULTIMATE.start_scsi_tgt_init_#res#1| 0)) (.cse0 (= ~ldv_state_variable_0~0 1)) (.cse2 (= ~ldv_retval_1~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0)) (.cse5 (not (= |ULTIMATE.start_scsi_tgt_init_~err~11#1| 0))) (.cse4 (= ~ref_cnt~0 0))) (or (and .cse0 (<= (+ |ULTIMATE.start_scsi_tgt_init_#res#1| 12) 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1)) (and .cse0 .cse2 .cse3 .cse5 .cse4))) [2023-11-06 22:56:04,618 INFO L895 garLoopResultBuilder]: At program point L7650(line 7650) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,618 INFO L899 garLoopResultBuilder]: For program point L7716(line 7716) no Hoare annotation was computed. [2023-11-06 22:56:04,618 INFO L899 garLoopResultBuilder]: For program point L7105-1(line 7105) no Hoare annotation was computed. [2023-11-06 22:56:04,618 INFO L902 garLoopResultBuilder]: At program point L7105(line 7105) the Hoare annotation is: true [2023-11-06 22:56:04,618 INFO L899 garLoopResultBuilder]: For program point L7650-1(line 7650) no Hoare annotation was computed. [2023-11-06 22:56:04,619 INFO L895 garLoopResultBuilder]: At program point L8278(line 8278) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,619 INFO L895 garLoopResultBuilder]: At program point L7667(lines 7649 7671) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 (= ~ldv_state_variable_1~0 1) .cse2) (and .cse0 .cse1 (= ~ldv_state_variable_1~0 0) .cse2))) [2023-11-06 22:56:04,619 INFO L899 garLoopResultBuilder]: For program point L8278-1(line 8278) no Hoare annotation was computed. [2023-11-06 22:56:04,619 INFO L899 garLoopResultBuilder]: For program point L7750(line 7750) no Hoare annotation was computed. [2023-11-06 22:56:04,619 INFO L899 garLoopResultBuilder]: For program point L7717-2(lines 7691 7756) no Hoare annotation was computed. [2023-11-06 22:56:04,619 INFO L899 garLoopResultBuilder]: For program point L7651(lines 7651 7654) no Hoare annotation was computed. [2023-11-06 22:56:04,620 INFO L899 garLoopResultBuilder]: For program point L7717(lines 7717 7721) no Hoare annotation was computed. [2023-11-06 22:56:04,620 INFO L899 garLoopResultBuilder]: For program point L7750-1(line 7750) no Hoare annotation was computed. [2023-11-06 22:56:04,620 INFO L899 garLoopResultBuilder]: For program point L7090(lines 7090 7093) no Hoare annotation was computed. [2023-11-06 22:56:04,620 INFO L895 garLoopResultBuilder]: At program point L7123(lines 7118 7174) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_1~0 0)) (.cse1 (= ~ref_cnt~0 0)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse2) (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) .cse0 .cse1) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse2))) [2023-11-06 22:56:04,620 INFO L895 garLoopResultBuilder]: At program point L7718(line 7718) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,620 INFO L895 garLoopResultBuilder]: At program point ldv_main_exported_1_returnLabel#1(lines 7687 7760) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) .cse0))) [2023-11-06 22:56:04,621 INFO L895 garLoopResultBuilder]: At program point L7107-1(lines 7102 7110) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2023-11-06 22:56:04,621 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2023-11-06 22:56:04,621 INFO L899 garLoopResultBuilder]: For program point L8197-1(line 8197) no Hoare annotation was computed. [2023-11-06 22:56:04,621 INFO L899 garLoopResultBuilder]: For program point L7718-1(line 7718) no Hoare annotation was computed. [2023-11-06 22:56:04,621 INFO L895 garLoopResultBuilder]: At program point L8197(line 8197) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,621 INFO L899 garLoopResultBuilder]: For program point L7735(line 7735) no Hoare annotation was computed. [2023-11-06 22:56:04,621 INFO L899 garLoopResultBuilder]: For program point L7669(line 7669) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L899 garLoopResultBuilder]: For program point L8181(lines 8181 8184) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L899 garLoopResultBuilder]: For program point L7736(lines 7736 7744) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L899 garLoopResultBuilder]: For program point L7125(lines 7125 7168) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L895 garLoopResultBuilder]: At program point ldv_tgt_fops_release_1_returnLabel#1(lines 8287 8289) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,622 INFO L899 garLoopResultBuilder]: For program point L7126(line 7126) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L899 garLoopResultBuilder]: For program point L8183-1(lines 8180 8194) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L899 garLoopResultBuilder]: For program point L7159(line 7159) no Hoare annotation was computed. [2023-11-06 22:56:04,622 INFO L902 garLoopResultBuilder]: At program point L8183(line 8183) the Hoare annotation is: true [2023-11-06 22:56:04,623 INFO L899 garLoopResultBuilder]: For program point L7704(line 7704) no Hoare annotation was computed. [2023-11-06 22:56:04,623 INFO L899 garLoopResultBuilder]: For program point L7737-1(line 7737) no Hoare annotation was computed. [2023-11-06 22:56:04,623 INFO L895 garLoopResultBuilder]: At program point L7737(line 7737) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,623 INFO L899 garLoopResultBuilder]: For program point L7754(line 7754) no Hoare annotation was computed. [2023-11-06 22:56:04,623 INFO L899 garLoopResultBuilder]: For program point L7655-1(line 7655) no Hoare annotation was computed. [2023-11-06 22:56:04,623 INFO L895 garLoopResultBuilder]: At program point L7655(line 7655) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point L7077(lines 7077 7080) no Hoare annotation was computed. [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point L7738(lines 7738 7742) no Hoare annotation was computed. [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point L7127(lines 7127 7130) no Hoare annotation was computed. [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point L7705-2(lines 7691 7756) no Hoare annotation was computed. [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point L7705(lines 7705 7709) no Hoare annotation was computed. [2023-11-06 22:56:04,624 INFO L899 garLoopResultBuilder]: For program point L7144(line 7144) no Hoare annotation was computed. [2023-11-06 22:56:04,625 INFO L899 garLoopResultBuilder]: For program point L7656(lines 7656 7659) no Hoare annotation was computed. [2023-11-06 22:56:04,625 INFO L895 garLoopResultBuilder]: At program point ldv_misc_deregister_22_returnLabel#1(lines 7821 7830) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2023-11-06 22:56:04,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7750) no Hoare annotation was computed. [2023-11-06 22:56:04,625 INFO L895 garLoopResultBuilder]: At program point ldv_misc_register_23_returnLabel#1(lines 7831 7840) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,625 INFO L895 garLoopResultBuilder]: At program point L7706(line 7706) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,625 INFO L899 garLoopResultBuilder]: For program point L7706-1(line 7706) no Hoare annotation was computed. [2023-11-06 22:56:04,625 INFO L899 garLoopResultBuilder]: For program point L7723-1(line 7723) no Hoare annotation was computed. [2023-11-06 22:56:04,626 INFO L895 garLoopResultBuilder]: At program point L7723(line 7723) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,626 INFO L899 garLoopResultBuilder]: For program point L7145(lines 7145 7157) no Hoare annotation was computed. [2023-11-06 22:56:04,626 INFO L899 garLoopResultBuilder]: For program point L7740-1(line 7740) no Hoare annotation was computed. [2023-11-06 22:56:04,626 INFO L899 garLoopResultBuilder]: For program point L7740(line 7740) no Hoare annotation was computed. [2023-11-06 22:56:04,626 INFO L902 garLoopResultBuilder]: At program point L7641-1(line 7641) the Hoare annotation is: true [2023-11-06 22:56:04,626 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7075 7100) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (not (= |ULTIMATE.start_scsi_tgt_init_~err~11#1| 0))) (.cse3 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 .cse2 (= ~ldv_state_variable_1~0 1) .cse3) (and .cse0 (<= (+ |ULTIMATE.start_scsi_tgt_init_~err~11#1| 12) 0)) (and .cse0 .cse1 (= ~ldv_state_variable_1~0 0) .cse2 .cse3))) [2023-11-06 22:56:04,627 INFO L902 garLoopResultBuilder]: At program point L7641(line 7641) the Hoare annotation is: true [2023-11-06 22:56:04,627 INFO L895 garLoopResultBuilder]: At program point kmem_cache_create_returnLabel#1(lines 8277 8279) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,627 INFO L899 garLoopResultBuilder]: For program point L7691(lines 7691 7756) no Hoare annotation was computed. [2023-11-06 22:56:04,627 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 7115 7175) the Hoare annotation is: true [2023-11-06 22:56:04,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7740) no Hoare annotation was computed. [2023-11-06 22:56:04,627 INFO L899 garLoopResultBuilder]: For program point L7642(line 7642) no Hoare annotation was computed. [2023-11-06 22:56:04,627 INFO L899 garLoopResultBuilder]: For program point L8187-1(lines 8180 8194) no Hoare annotation was computed. [2023-11-06 22:56:04,628 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,628 INFO L902 garLoopResultBuilder]: At program point L8187(line 8187) the Hoare annotation is: true [2023-11-06 22:56:04,628 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_if_exit_returnLabel#1(lines 7638 7646) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2023-11-06 22:56:04,628 INFO L895 garLoopResultBuilder]: At program point noop_llseek_returnLabel#1(lines 8318 8320) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,628 INFO L899 garLoopResultBuilder]: For program point L7147(lines 7147 7150) no Hoare annotation was computed. [2023-11-06 22:56:04,628 INFO L899 garLoopResultBuilder]: For program point L7692(line 7692) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point L7147-2(lines 7145 7156) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7740) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point L7098(line 7098) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point L7693-2(lines 7691 7756) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point L7693(lines 7693 7697) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L899 garLoopResultBuilder]: For program point L7132(line 7132) no Hoare annotation was computed. [2023-11-06 22:56:04,629 INFO L902 garLoopResultBuilder]: At program point main_ldv_final#1(lines 7118 7174) the Hoare annotation is: true [2023-11-06 22:56:04,630 INFO L895 garLoopResultBuilder]: At program point L7694(line 7694) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,630 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_if_init_free_rx_ring#1(lines 7649 7671) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,630 INFO L899 garLoopResultBuilder]: For program point L7694-1(line 7694) no Hoare annotation was computed. [2023-11-06 22:56:04,630 INFO L899 garLoopResultBuilder]: For program point L7661(lines 7661 7664) no Hoare annotation was computed. [2023-11-06 22:56:04,630 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_init_destroy_wq#1(lines 7075 7100) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (not (= |ULTIMATE.start_scsi_tgt_init_~err~11#1| 0))) (.cse3 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 .cse2 (= ~ldv_state_variable_1~0 1) .cse3) (and .cse0 .cse1 (= ~ldv_state_variable_1~0 0) .cse2 .cse3))) [2023-11-06 22:56:04,630 INFO L899 garLoopResultBuilder]: For program point L7711-1(line 7711) no Hoare annotation was computed. [2023-11-06 22:56:04,631 INFO L899 garLoopResultBuilder]: For program point L7166(line 7166) no Hoare annotation was computed. [2023-11-06 22:56:04,631 INFO L895 garLoopResultBuilder]: At program point L7711(line 7711) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (= ~ldv_state_variable_0~0 3)) [2023-11-06 22:56:04,631 INFO L899 garLoopResultBuilder]: For program point L7133(lines 7133 7164) no Hoare annotation was computed. [2023-11-06 22:56:04,631 INFO L899 garLoopResultBuilder]: For program point L7728(line 7728) no Hoare annotation was computed. [2023-11-06 22:56:04,631 INFO L899 garLoopResultBuilder]: For program point L7084(lines 7084 7088) no Hoare annotation was computed. [2023-11-06 22:56:04,631 INFO L902 garLoopResultBuilder]: At program point L8191-1(lines 8178 8195) the Hoare annotation is: true [2023-11-06 22:56:04,631 INFO L902 garLoopResultBuilder]: At program point L8191(line 8191) the Hoare annotation is: true [2023-11-06 22:56:04,632 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:56:04,632 INFO L899 garLoopResultBuilder]: For program point L7729(lines 7729 7733) no Hoare annotation was computed. [2023-11-06 22:56:04,632 INFO L899 garLoopResultBuilder]: For program point L7746(line 7746) no Hoare annotation was computed. [2023-11-06 22:56:04,632 INFO L899 garLoopResultBuilder]: For program point L7135(lines 7135 7161) no Hoare annotation was computed. [2023-11-06 22:56:04,632 INFO L902 garLoopResultBuilder]: At program point misc_deregister_returnLabel#1(lines 8300 8302) the Hoare annotation is: true [2023-11-06 22:56:04,632 INFO L899 garLoopResultBuilder]: For program point L7747(lines 7747 7752) no Hoare annotation was computed. [2023-11-06 22:56:04,632 INFO L899 garLoopResultBuilder]: For program point L7136(line 7136) no Hoare annotation was computed. [2023-11-06 22:56:04,633 INFO L895 garLoopResultBuilder]: At program point misc_register_returnLabel#1(lines 8304 8306) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,633 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_if_init_returnLabel#1(lines 7647 7672) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 (= ~ldv_state_variable_1~0 1) .cse2) (and .cse0 .cse1 (= ~ldv_state_variable_1~0 0) .cse2))) [2023-11-06 22:56:04,633 INFO L895 garLoopResultBuilder]: At program point __alloc_workqueue_key_returnLabel#1(lines 8196 8198) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2023-11-06 22:56:04,633 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6765 6771) the Hoare annotation is: true [2023-11-06 22:56:04,633 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_to_hostFINAL(lines 6765 6771) no Hoare annotation was computed. [2023-11-06 22:56:04,633 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_to_hostEXIT(lines 6765 6771) no Hoare annotation was computed. [2023-11-06 22:56:04,634 INFO L899 garLoopResultBuilder]: For program point spinlock_checkEXIT(lines 6342 6347) no Hoare annotation was computed. [2023-11-06 22:56:04,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6342 6347) the Hoare annotation is: true [2023-11-06 22:56:04,634 INFO L899 garLoopResultBuilder]: For program point spinlock_checkFINAL(lines 6342 6347) no Hoare annotation was computed. [2023-11-06 22:56:04,636 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:04,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:56:04,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:56:04 BoogieIcfgContainer [2023-11-06 22:56:04,699 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:56:04,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:56:04,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:56:04,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:56:04,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:04" (3/4) ... [2023-11-06 22:56:04,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_idx_inc [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_exit [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uspace_ring_map [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_destroy [2023-11-06 22:56:04,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_write [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_init [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_free [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_head_event [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_poll [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_unmap_user_pages [2023-11-06 22:56:04,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_put [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_64 [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_open [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_lookup [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_mmap [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_release_buffers [2023-11-06 22:56:04,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_destroy [2023-11-06 22:56:04,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-11-06 22:56:04,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-06 22:56:04,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2023-11-06 22:56:04,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2023-11-06 22:56:04,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2023-11-06 22:56:04,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_to_host [2023-11-06 22:56:04,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2023-11-06 22:56:04,775 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2023-11-06 22:56:04,779 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2023-11-06 22:56:04,783 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-06 22:56:04,786 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:56:04,789 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 22:56:04,792 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:56:04,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_state_variable_0 == 1) && ((\result + 12) <= 0)) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && !((err == 0))) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 2)) && (ref_cnt == 1))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && !((err == 0))) && (ref_cnt == 0))) [2023-11-06 22:56:05,004 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_state_variable_0 == 1) && ((\result + 12) <= 0)) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && !((err == 0))) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 2)) && (ref_cnt == 1))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && !((err == 0))) && (ref_cnt == 0))) [2023-11-06 22:56:05,074 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:56:05,075 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:56:05,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:56:05,076 INFO L158 Benchmark]: Toolchain (without parser) took 65003.67ms. Allocated memory was 186.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 132.6MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 783.7MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,076 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:56:05,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2213.79ms. Allocated memory is still 186.6MB. Free memory was 132.2MB in the beginning and 95.8MB in the end (delta: 36.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.08ms. Allocated memory is still 186.6MB. Free memory was 95.8MB in the beginning and 87.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,077 INFO L158 Benchmark]: Boogie Preprocessor took 108.76ms. Allocated memory is still 186.6MB. Free memory was 87.4MB in the beginning and 77.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,078 INFO L158 Benchmark]: RCFGBuilder took 1849.52ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 77.8MB in the beginning and 181.8MB in the end (delta: -104.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,080 INFO L158 Benchmark]: TraceAbstraction took 60281.04ms. Allocated memory was 276.8MB in the beginning and 1.3GB in the end (delta: 992.0MB). Free memory was 181.8MB in the beginning and 437.4MB in the end (delta: -255.6MB). Peak memory consumption was 753.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,080 INFO L158 Benchmark]: Witness Printer took 375.72ms. Allocated memory is still 1.3GB. Free memory was 437.4MB in the beginning and 1.2GB in the end (delta: -725.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:05,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2213.79ms. Allocated memory is still 186.6MB. Free memory was 132.2MB in the beginning and 95.8MB in the end (delta: 36.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.08ms. Allocated memory is still 186.6MB. Free memory was 95.8MB in the beginning and 87.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.76ms. Allocated memory is still 186.6MB. Free memory was 87.4MB in the beginning and 77.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1849.52ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 77.8MB in the beginning and 181.8MB in the end (delta: -104.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * TraceAbstraction took 60281.04ms. Allocated memory was 276.8MB in the beginning and 1.3GB in the end (delta: 992.0MB). Free memory was 181.8MB in the beginning and 437.4MB in the end (delta: -255.6MB). Peak memory consumption was 753.1MB. Max. memory is 16.1GB. * Witness Printer took 375.72ms. Allocated memory is still 1.3GB. Free memory was 437.4MB in the beginning and 1.2GB in the end (delta: -725.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7332]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 432 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 60.1s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 26.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15483 SdHoareTripleChecker+Valid, 19.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14254 mSDsluCounter, 37160 SdHoareTripleChecker+Invalid, 16.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25515 mSDsCounter, 6201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11885 IncrementalHoareTripleChecker+Invalid, 18086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6201 mSolverCounterUnsat, 11645 mSDtfsCounter, 11885 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1972 GetRequests, 1805 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3903occurred in iteration=20, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 25 MinimizatonAttempts, 14316 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 174 LocationsWithAnnotation, 15750 PreInvPairs, 16153 NumberOfFragments, 1576 HoareAnnotationTreeSize, 15750 FomulaSimplifications, 706065 FormulaSimplificationTreeSizeReduction, 7.7s HoareSimplificationTime, 174 FomulaSimplificationsInter, 15048 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 3623 NumberOfCodeBlocks, 3623 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 3939 ConstructedInterpolants, 0 QuantifiedInterpolants, 6582 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11612 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 41 InterpolantComputations, 21 PerfectInterpolantSequences, 1975/2102 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 7533]: Loop Invariant Derived loop invariant: ((((((((i <= 2147483645) && (1 <= i)) || (i == 0)) || (ref_cnt < 0)) || !((ldv_state_variable_1 == 1))) || (0 < ref_cnt)) || !((ldv_state_variable_0 == 3))) && (((((((i <= 2147483645) && (1 <= i)) || !((ldv_state_variable_1 == 2))) || (i == 0)) || !((ldv_state_variable_0 == 3))) || (1 < ref_cnt)) || (ref_cnt < 1))) - InvariantResult [Line: 8196]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0)) - InvariantResult [Line: 7614]: Loop Invariant Derived loop invariant: ((((!((ldv_state_variable_1 == 0)) || ((i <= 2147483646) && (1 <= i))) || !((ldv_retval_1 == 0))) || !((ref_cnt == 0))) || !((ldv_state_variable_0 == 1))) - InvariantResult [Line: 7456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7070]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1) && ((\result + 12) <= 0)) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && !((err == 0))) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0))) || (((((ldv_state_variable_0 == 1) && (\result == 0)) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 2)) && (ref_cnt == 1))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && !((err == 0))) && (ref_cnt == 0))) - InvariantResult [Line: 6410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7821]: Loop Invariant Derived loop invariant: (ldv_state_variable_1 == 0) - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0)) || ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0))) - InvariantResult [Line: 6932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8271]: Loop Invariant Derived loop invariant: (((((!((ldv_state_variable_1 == 0)) || !((ldv_retval_1 == 0))) || ((i <= 2147483645) && (1 <= i))) || !((ref_cnt == 0))) || !((ldv_state_variable_0 == 1))) || (i == 0)) - InvariantResult [Line: 7051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7614]: Loop Invariant Derived loop invariant: (((((!((ldv_state_variable_1 == 0)) || !((ldv_retval_1 == 0))) || ((i <= 2147483645) && (1 <= i))) || !((ref_cnt == 0))) || !((ldv_state_variable_0 == 1))) || (i == 0)) - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0)) || ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0))) - InvariantResult [Line: 7629]: Loop Invariant Derived loop invariant: (((((!((ldv_state_variable_1 == 0)) || ((i <= 2147483646) && (1 <= i))) || !((ldv_retval_1 == 0))) || !((ref_cnt == 0))) || (i == 0)) || !((ldv_state_variable_0 == 1))) - InvariantResult [Line: 7102]: Loop Invariant Derived loop invariant: (ldv_state_variable_1 == 0) - InvariantResult [Line: 7638]: Loop Invariant Derived loop invariant: (ldv_state_variable_1 == 0) - InvariantResult [Line: 8212]: Loop Invariant Derived loop invariant: ((((((((i <= 2147483645) && (1 <= i)) || (i == 0)) || (ref_cnt < 0)) || !((ldv_state_variable_1 == 1))) || (0 < ref_cnt)) || !((ldv_state_variable_0 == 3))) && (((((((i <= 2147483645) && (1 <= i)) || !((ldv_state_variable_1 == 2))) || (i == 0)) || !((ldv_state_variable_0 == 3))) || (1 < ref_cnt)) || (ref_cnt < 1))) - InvariantResult [Line: 7602]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483646) && (1 <= i))) - InvariantResult [Line: 7048]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8346]: Loop Invariant Derived loop invariant: ((((((((i <= 2147483645) && (1 <= i)) || (i == 0)) || (ref_cnt < 0)) || !((ldv_state_variable_1 == 1))) || (0 < ref_cnt)) || !((ldv_state_variable_0 == 3))) && (((((((i <= 2147483645) && (1 <= i)) || !((ldv_state_variable_1 == 2))) || (i == 0)) || !((ldv_state_variable_0 == 3))) || (1 < ref_cnt)) || (ref_cnt < 1))) - InvariantResult [Line: 7595]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483645) && (1 <= i))) - InvariantResult [Line: 8300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7533]: Loop Invariant Derived loop invariant: (((((!((ldv_state_variable_1 == 2)) || ((i <= 2147483646) && (1 <= i))) || !((ldv_state_variable_0 == 3))) || (1 < ref_cnt)) || (ref_cnt < 1)) && ((((((i <= 2147483646) && (1 <= i)) || (ref_cnt < 0)) || !((ldv_state_variable_1 == 1))) || (0 < ref_cnt)) || !((ldv_state_variable_0 == 3)))) - InvariantResult [Line: 6920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8349]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7075]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && !((err == 0))) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0)) || ((ldv_state_variable_0 == 1) && ((err + 12) <= 0))) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && !((err == 0))) && (ref_cnt == 0))) - InvariantResult [Line: 6866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8318]: Loop Invariant Derived loop invariant: (((ldv_state_variable_1 == 2) && (ref_cnt == 1)) && (ldv_state_variable_0 == 3)) - InvariantResult [Line: 8264]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483645) && (1 <= i))) - InvariantResult [Line: 7005]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8304]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ref_cnt == 0)) - InvariantResult [Line: 6561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8277]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0)) - InvariantResult [Line: 8178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8287]: Loop Invariant Derived loop invariant: (((ldv_state_variable_1 == 2) && (ref_cnt == 1)) && (ldv_state_variable_0 == 3)) - InvariantResult [Line: 6880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_1 == 0) && (ref_cnt == 0)) && (ldv_state_variable_0 == 3)) || (((ldv_state_variable_1 == 2) && (ref_cnt == 1)) && (ldv_state_variable_0 == 3))) || ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0))) || (((ldv_state_variable_1 == 1) && (ref_cnt == 0)) && (ldv_state_variable_0 == 3))) - InvariantResult [Line: 7115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7547]: Loop Invariant Derived loop invariant: ((((((!((ldv_state_variable_1 == 2)) || ((i <= 2147483646) && (1 <= i))) || (i == 0)) || !((ldv_state_variable_0 == 3))) || (1 < ref_cnt)) || (ref_cnt < 1)) && (((((((i <= 2147483646) && (1 <= i)) || (i == 0)) || (ref_cnt < 0)) || !((ldv_state_variable_1 == 1))) || (0 < ref_cnt)) || !((ldv_state_variable_0 == 3)))) - InvariantResult [Line: 7593]: Loop Invariant Derived loop invariant: ((i <= 2147483646) && (1 <= i)) - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7075]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && !((err == 0))) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0)) || (((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 0)) && !((err == 0))) && (ref_cnt == 0))) - InvariantResult [Line: 7831]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1) && (ldv_retval_1 == 0)) && (ldv_state_variable_1 == 1)) && (ref_cnt == 0)) - InvariantResult [Line: 8199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8169]: Loop Invariant Derived loop invariant: (((ldv_retval_1 == 0) && (ldv_state_variable_1 == 0)) && (ref_cnt == 0)) - InvariantResult [Line: 7687]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_1 == 2) && (ref_cnt == 1)) && (ldv_state_variable_0 == 3)) || (((ldv_state_variable_1 == 1) && (ref_cnt == 0)) && (ldv_state_variable_0 == 3))) - InvariantResult [Line: 8205]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:56:05,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc3f408-1526-48d5-b877-4fb242b04e5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE