./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:04:34,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:04:34,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:04:34,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:04:34,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:04:34,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:04:34,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:04:34,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:04:34,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:04:34,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:04:34,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:04:34,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:04:34,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:04:34,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:04:34,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:04:34,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:04:34,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:04:34,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:04:34,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:04:34,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:04:34,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:04:34,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:04:34,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:04:34,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:04:34,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:04:34,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:04:34,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:04:34,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:04:34,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:04:34,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:04:34,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:04:34,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:04:34,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:04:34,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:04:34,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:04:34,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:04:34,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:04:34,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:04:34,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:04:34,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:04:34,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:04:34,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:04:34,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:04:34,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:04:34,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:04:34,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:04:34,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:04:34,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:04:34,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:04:34,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:04:34,724 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:04:34,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:04:34,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:04:34,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:04:34,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:04:34,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:04:34,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:04:34,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:04:34,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:04:34,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:04:34,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:04:34,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:04:34,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:04:34,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:04:34,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:04:34,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:04:34,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:04:34,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:04:34,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:04:34,729 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:04:34,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:04:34,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:04:34,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2022-11-18 21:04:35,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:04:35,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:04:35,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:04:35,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:04:35,069 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:04:35,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-18 21:04:35,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/data/1fafc68c2/67fe32b0dd7b4ccc8acf14e3342a427c/FLAGf2990cb41 [2022-11-18 21:04:36,661 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:04:36,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-18 21:04:36,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/data/1fafc68c2/67fe32b0dd7b4ccc8acf14e3342a427c/FLAGf2990cb41 [2022-11-18 21:04:37,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/data/1fafc68c2/67fe32b0dd7b4ccc8acf14e3342a427c [2022-11-18 21:04:37,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:04:37,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:04:37,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:04:37,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:04:37,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:04:37,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:04:37" (1/1) ... [2022-11-18 21:04:37,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351a715b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:37, skipping insertion in model container [2022-11-18 21:04:37,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:04:37" (1/1) ... [2022-11-18 21:04:37,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:04:37,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:04:47,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2022-11-18 21:04:48,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:04:48,127 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:04:49,692 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2022-11-18 21:04:49,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:04:50,155 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:04:50,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50 WrapperNode [2022-11-18 21:04:50,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:04:50,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:04:50,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:04:50,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:04:50,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:50,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:50,975 INFO L138 Inliner]: procedures = 757, calls = 11350, calls flagged for inlining = 310, calls inlined = 146, statements flattened = 13911 [2022-11-18 21:04:50,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:04:50,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:04:50,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:04:50,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:04:50,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:50,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:51,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:04:51,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:04:51,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:04:51,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:04:51,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (1/1) ... [2022-11-18 21:04:52,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:04:52,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:04:52,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:04:52,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca69d6f7-d326-40cf-926d-ca674b826e87/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:04:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2022-11-18 21:04:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2022-11-18 21:04:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2022-11-18 21:04:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2022-11-18 21:04:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2022-11-18 21:04:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2022-11-18 21:04:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-18 21:04:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-18 21:04:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2022-11-18 21:04:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2022-11-18 21:04:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-18 21:04:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-18 21:04:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2022-11-18 21:04:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2022-11-18 21:04:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2022-11-18 21:04:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2022-11-18 21:04:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2022-11-18 21:04:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2022-11-18 21:04:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2022-11-18 21:04:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2022-11-18 21:04:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:04:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:04:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2022-11-18 21:04:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2022-11-18 21:04:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2022-11-18 21:04:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2022-11-18 21:04:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-18 21:04:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-18 21:04:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2022-11-18 21:04:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2022-11-18 21:04:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-18 21:04:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-18 21:04:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2022-11-18 21:04:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2022-11-18 21:04:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 21:04:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 21:04:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2022-11-18 21:04:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2022-11-18 21:04:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-18 21:04:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-18 21:04:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2022-11-18 21:04:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2022-11-18 21:04:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2022-11-18 21:04:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2022-11-18 21:04:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2022-11-18 21:04:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2022-11-18 21:04:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2022-11-18 21:04:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2022-11-18 21:04:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 21:04:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 21:04:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-18 21:04:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-18 21:04:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2022-11-18 21:04:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2022-11-18 21:04:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2022-11-18 21:04:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2022-11-18 21:04:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2022-11-18 21:04:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2022-11-18 21:04:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2022-11-18 21:04:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2022-11-18 21:04:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2022-11-18 21:04:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2022-11-18 21:04:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 21:04:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 21:04:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2022-11-18 21:04:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2022-11-18 21:04:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 21:04:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 21:04:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-18 21:04:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-18 21:04:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:04:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 21:04:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 21:04:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2022-11-18 21:04:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2022-11-18 21:04:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2022-11-18 21:04:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2022-11-18 21:04:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2022-11-18 21:04:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2022-11-18 21:04:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2022-11-18 21:04:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2022-11-18 21:04:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2022-11-18 21:04:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2022-11-18 21:04:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2022-11-18 21:04:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2022-11-18 21:04:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 21:04:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 21:04:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2022-11-18 21:04:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2022-11-18 21:04:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 21:04:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 21:04:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2022-11-18 21:04:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2022-11-18 21:04:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2022-11-18 21:04:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2022-11-18 21:04:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:04:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 21:04:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 21:04:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2022-11-18 21:04:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2022-11-18 21:04:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 21:04:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 21:04:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-18 21:04:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-18 21:04:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2022-11-18 21:04:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2022-11-18 21:04:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:04:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2022-11-18 21:04:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2022-11-18 21:04:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2022-11-18 21:04:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2022-11-18 21:04:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2022-11-18 21:04:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2022-11-18 21:04:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-18 21:04:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-18 21:04:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:04:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-18 21:04:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-18 21:04:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2022-11-18 21:04:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2022-11-18 21:04:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2022-11-18 21:04:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2022-11-18 21:04:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2022-11-18 21:04:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2022-11-18 21:04:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:04:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:04:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-18 21:04:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-18 21:04:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-18 21:04:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-18 21:04:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2022-11-18 21:04:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2022-11-18 21:04:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2022-11-18 21:04:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2022-11-18 21:04:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2022-11-18 21:04:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2022-11-18 21:04:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2022-11-18 21:04:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2022-11-18 21:04:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2022-11-18 21:04:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2022-11-18 21:04:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 21:04:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 21:04:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2022-11-18 21:04:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2022-11-18 21:04:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 21:04:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 21:04:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 21:04:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 21:04:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 21:04:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 21:04:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2022-11-18 21:04:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2022-11-18 21:04:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-18 21:04:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-18 21:04:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-18 21:04:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-18 21:04:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-18 21:04:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-18 21:04:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2022-11-18 21:04:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2022-11-18 21:04:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-18 21:04:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-18 21:04:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:04:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 21:04:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 21:04:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2022-11-18 21:04:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2022-11-18 21:04:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2022-11-18 21:04:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2022-11-18 21:04:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2022-11-18 21:04:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2022-11-18 21:04:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:04:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 21:04:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 21:04:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2022-11-18 21:04:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2022-11-18 21:04:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-18 21:04:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-18 21:04:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:04:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2022-11-18 21:04:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2022-11-18 21:04:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-18 21:04:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-18 21:04:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:04:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2022-11-18 21:04:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2022-11-18 21:04:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:04:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:04:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2022-11-18 21:04:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2022-11-18 21:04:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-18 21:04:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-18 21:04:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2022-11-18 21:04:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2022-11-18 21:04:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2022-11-18 21:04:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2022-11-18 21:04:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2022-11-18 21:04:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2022-11-18 21:04:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-18 21:04:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-18 21:04:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2022-11-18 21:04:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2022-11-18 21:04:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2022-11-18 21:04:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2022-11-18 21:04:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2022-11-18 21:04:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2022-11-18 21:04:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2022-11-18 21:04:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2022-11-18 21:04:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2022-11-18 21:04:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2022-11-18 21:04:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-18 21:04:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-18 21:04:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2022-11-18 21:04:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2022-11-18 21:04:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2022-11-18 21:04:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2022-11-18 21:04:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2022-11-18 21:04:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2022-11-18 21:04:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2022-11-18 21:04:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2022-11-18 21:04:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 21:04:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 21:04:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 21:04:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 21:04:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2022-11-18 21:04:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2022-11-18 21:04:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2022-11-18 21:04:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2022-11-18 21:04:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-18 21:04:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-18 21:04:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2022-11-18 21:04:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2022-11-18 21:04:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-18 21:04:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-18 21:04:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2022-11-18 21:04:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2022-11-18 21:04:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2022-11-18 21:04:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2022-11-18 21:04:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-18 21:04:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-18 21:04:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2022-11-18 21:04:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2022-11-18 21:04:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 21:04:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 21:04:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:04:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:04:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 21:04:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 21:04:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-18 21:04:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-18 21:04:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2022-11-18 21:04:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2022-11-18 21:04:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2022-11-18 21:04:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2022-11-18 21:04:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:04:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:04:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2022-11-18 21:04:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2022-11-18 21:04:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2022-11-18 21:04:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2022-11-18 21:04:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 21:04:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 21:04:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2022-11-18 21:04:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2022-11-18 21:04:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2022-11-18 21:04:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2022-11-18 21:04:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2022-11-18 21:04:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2022-11-18 21:04:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2022-11-18 21:04:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2022-11-18 21:04:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 21:04:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 21:04:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:04:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:04:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2022-11-18 21:04:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2022-11-18 21:04:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2022-11-18 21:04:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2022-11-18 21:04:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2022-11-18 21:04:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2022-11-18 21:04:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-18 21:04:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-18 21:04:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-18 21:04:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-18 21:04:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 21:04:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2022-11-18 21:04:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2022-11-18 21:04:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2022-11-18 21:04:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2022-11-18 21:04:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2022-11-18 21:04:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2022-11-18 21:04:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2022-11-18 21:04:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2022-11-18 21:04:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2022-11-18 21:04:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2022-11-18 21:04:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-18 21:04:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-18 21:04:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2022-11-18 21:04:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2022-11-18 21:04:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2022-11-18 21:04:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2022-11-18 21:04:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2022-11-18 21:04:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2022-11-18 21:04:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-18 21:04:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-18 21:04:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-18 21:04:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-18 21:04:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-18 21:04:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-18 21:04:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-11-18 21:04:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-11-18 21:04:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 21:04:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 21:04:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:04:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:04:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2022-11-18 21:04:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2022-11-18 21:04:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2022-11-18 21:04:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2022-11-18 21:04:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:04:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:04:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2022-11-18 21:04:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2022-11-18 21:04:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 21:04:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 21:04:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 21:04:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 21:04:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 21:04:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 21:04:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2022-11-18 21:04:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2022-11-18 21:04:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2022-11-18 21:04:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2022-11-18 21:04:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2022-11-18 21:04:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2022-11-18 21:04:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2022-11-18 21:04:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2022-11-18 21:04:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 21:04:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 21:04:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:04:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 21:04:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 21:04:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2022-11-18 21:04:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2022-11-18 21:04:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2022-11-18 21:04:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2022-11-18 21:04:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2022-11-18 21:04:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2022-11-18 21:04:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:04:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2022-11-18 21:04:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2022-11-18 21:04:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-18 21:04:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-18 21:04:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2022-11-18 21:04:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2022-11-18 21:04:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-18 21:04:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-18 21:04:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2022-11-18 21:04:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2022-11-18 21:04:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2022-11-18 21:04:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2022-11-18 21:04:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2022-11-18 21:04:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2022-11-18 21:04:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2022-11-18 21:04:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2022-11-18 21:04:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2022-11-18 21:04:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2022-11-18 21:04:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:04:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2022-11-18 21:04:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2022-11-18 21:04:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 21:04:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 21:04:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-18 21:04:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 21:04:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 21:04:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 21:04:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 21:04:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2022-11-18 21:04:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2022-11-18 21:04:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2022-11-18 21:04:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2022-11-18 21:04:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2022-11-18 21:04:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2022-11-18 21:04:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2022-11-18 21:04:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2022-11-18 21:04:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2022-11-18 21:04:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2022-11-18 21:04:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2022-11-18 21:04:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2022-11-18 21:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2022-11-18 21:04:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2022-11-18 21:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 21:04:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 21:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2022-11-18 21:04:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2022-11-18 21:04:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-18 21:04:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-18 21:04:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-18 21:04:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-18 21:04:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2022-11-18 21:04:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2022-11-18 21:04:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-18 21:04:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-18 21:04:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-18 21:04:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-18 21:04:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-18 21:04:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-18 21:04:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2022-11-18 21:04:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2022-11-18 21:04:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2022-11-18 21:04:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2022-11-18 21:04:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-18 21:04:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-18 21:04:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2022-11-18 21:04:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2022-11-18 21:04:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 21:04:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 21:04:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2022-11-18 21:04:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2022-11-18 21:04:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 21:04:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 21:04:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2022-11-18 21:04:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2022-11-18 21:04:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2022-11-18 21:04:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2022-11-18 21:04:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2022-11-18 21:04:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2022-11-18 21:04:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2022-11-18 21:04:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2022-11-18 21:04:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2022-11-18 21:04:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2022-11-18 21:04:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2022-11-18 21:04:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2022-11-18 21:04:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2022-11-18 21:04:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2022-11-18 21:04:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2022-11-18 21:04:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2022-11-18 21:04:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:04:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:04:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 21:04:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 21:04:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:04:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-18 21:04:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-18 21:04:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2022-11-18 21:04:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2022-11-18 21:04:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:04:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:04:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2022-11-18 21:04:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2022-11-18 21:04:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2022-11-18 21:04:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2022-11-18 21:04:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2022-11-18 21:04:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2022-11-18 21:04:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2022-11-18 21:04:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2022-11-18 21:04:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2022-11-18 21:04:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2022-11-18 21:04:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2022-11-18 21:04:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2022-11-18 21:04:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-18 21:04:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-18 21:04:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 21:04:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 21:04:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-18 21:04:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-18 21:04:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-18 21:04:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-18 21:04:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-18 21:04:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-18 21:04:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2022-11-18 21:04:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2022-11-18 21:04:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2022-11-18 21:04:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2022-11-18 21:04:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2022-11-18 21:04:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2022-11-18 21:04:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-18 21:04:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-18 21:04:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-18 21:04:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-18 21:04:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2022-11-18 21:04:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2022-11-18 21:04:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 21:04:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 21:04:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2022-11-18 21:04:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2022-11-18 21:04:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2022-11-18 21:04:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2022-11-18 21:04:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 21:04:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 21:04:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2022-11-18 21:04:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2022-11-18 21:04:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 21:04:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 21:04:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-18 21:04:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-18 21:04:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 21:04:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 21:04:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-18 21:04:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-18 21:04:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:04:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2022-11-18 21:04:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2022-11-18 21:04:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2022-11-18 21:04:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2022-11-18 21:04:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 21:04:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 21:04:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 21:04:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-18 21:04:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-18 21:04:54,543 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:04:54,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:05:25,045 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:05:25,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:05:25,114 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 21:05:25,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:05:25 BoogieIcfgContainer [2022-11-18 21:05:25,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:05:25,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:05:25,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:05:25,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:05:25,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:04:37" (1/3) ... [2022-11-18 21:05:25,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2541deea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:05:25, skipping insertion in model container [2022-11-18 21:05:25,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:50" (2/3) ... [2022-11-18 21:05:25,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2541deea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:05:25, skipping insertion in model container [2022-11-18 21:05:25,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:05:25" (3/3) ... [2022-11-18 21:05:25,143 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-18 21:05:25,172 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:05:25,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:05:25,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:05:25,342 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;@c074a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:05:25,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:05:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 5207 states, 3738 states have (on average 1.4213483146067416) internal successors, (5313), 3866 states have internal predecessors, (5313), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-11-18 21:05:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 21:05:25,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:25,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:25,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:05:25,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:25,384 INFO L85 PathProgramCache]: Analyzing trace with hash 710649963, now seen corresponding path program 1 times [2022-11-18 21:05:25,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:25,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161848545] [2022-11-18 21:05:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:27,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:27,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161848545] [2022-11-18 21:05:27,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161848545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:27,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:27,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:05:27,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188237483] [2022-11-18 21:05:27,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:27,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:05:27,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:27,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:05:27,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:05:27,195 INFO L87 Difference]: Start difference. First operand has 5207 states, 3738 states have (on average 1.4213483146067416) internal successors, (5313), 3866 states have internal predecessors, (5313), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:05:56,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:01,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:20,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:22,471 INFO L93 Difference]: Finished difference Result 16647 states and 25762 transitions. [2022-11-18 21:06:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:06:22,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-18 21:06:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:22,593 INFO L225 Difference]: With dead ends: 16647 [2022-11-18 21:06:22,593 INFO L226 Difference]: Without dead ends: 11428 [2022-11-18 21:06:22,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:06:22,670 INFO L413 NwaCegarLoop]: 2556 mSDtfsCounter, 14342 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 15710 mSolverCounterSat, 4920 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15451 SdHoareTripleChecker+Valid, 4371 SdHoareTripleChecker+Invalid, 20632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4920 IncrementalHoareTripleChecker+Valid, 15710 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:22,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15451 Valid, 4371 Invalid, 20632 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4920 Valid, 15710 Invalid, 2 Unknown, 0 Unchecked, 53.0s Time] [2022-11-18 21:06:22,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11428 states. [2022-11-18 21:06:23,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11428 to 9638. [2022-11-18 21:06:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9638 states, 6893 states have (on average 1.4118671115624546) internal successors, (9732), 7121 states have internal predecessors, (9732), 2274 states have call successors, (2274), 472 states have call predecessors, (2274), 470 states have return successors, (2264), 2180 states have call predecessors, (2264), 2264 states have call successors, (2264) [2022-11-18 21:06:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9638 states to 9638 states and 14270 transitions. [2022-11-18 21:06:23,559 INFO L78 Accepts]: Start accepts. Automaton has 9638 states and 14270 transitions. Word has length 12 [2022-11-18 21:06:23,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:23,560 INFO L495 AbstractCegarLoop]: Abstraction has 9638 states and 14270 transitions. [2022-11-18 21:06:23,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:06:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 9638 states and 14270 transitions. [2022-11-18 21:06:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 21:06:23,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:23,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:23,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:06:23,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:23,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:23,564 INFO L85 PathProgramCache]: Analyzing trace with hash 553137100, now seen corresponding path program 1 times [2022-11-18 21:06:23,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:23,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138454627] [2022-11-18 21:06:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:23,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:06:24,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:24,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138454627] [2022-11-18 21:06:24,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138454627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:24,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:24,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:06:24,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403492137] [2022-11-18 21:06:24,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:24,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:06:24,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:24,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:06:24,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:06:24,682 INFO L87 Difference]: Start difference. First operand 9638 states and 14270 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:07:03,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:07,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:14,275 INFO L93 Difference]: Finished difference Result 30872 states and 47742 transitions. [2022-11-18 21:07:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:07:14,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-18 21:07:14,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:14,448 INFO L225 Difference]: With dead ends: 30872 [2022-11-18 21:07:14,448 INFO L226 Difference]: Without dead ends: 21240 [2022-11-18 21:07:14,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:07:14,525 INFO L413 NwaCegarLoop]: 2849 mSDtfsCounter, 12860 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 17846 mSolverCounterSat, 4548 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13842 SdHoareTripleChecker+Valid, 5385 SdHoareTripleChecker+Invalid, 22396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4548 IncrementalHoareTripleChecker+Valid, 17846 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:14,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13842 Valid, 5385 Invalid, 22396 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4548 Valid, 17846 Invalid, 2 Unknown, 0 Unchecked, 47.7s Time] [2022-11-18 21:07:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21240 states. [2022-11-18 21:07:15,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21240 to 20877. [2022-11-18 21:07:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20877 states, 14991 states have (on average 1.4117804015742779) internal successors, (21164), 15585 states have internal predecessors, (21164), 4823 states have call successors, (4823), 928 states have call predecessors, (4823), 1062 states have return successors, (5952), 4693 states have call predecessors, (5952), 4806 states have call successors, (5952) [2022-11-18 21:07:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20877 states to 20877 states and 31939 transitions. [2022-11-18 21:07:16,128 INFO L78 Accepts]: Start accepts. Automaton has 20877 states and 31939 transitions. Word has length 13 [2022-11-18 21:07:16,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:16,130 INFO L495 AbstractCegarLoop]: Abstraction has 20877 states and 31939 transitions. [2022-11-18 21:07:16,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:07:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 20877 states and 31939 transitions. [2022-11-18 21:07:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 21:07:16,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:16,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:16,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:07:16,133 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:16,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash -34789490, now seen corresponding path program 1 times [2022-11-18 21:07:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:16,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884268981] [2022-11-18 21:07:16,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:16,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:07:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:16,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884268981] [2022-11-18 21:07:16,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884268981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:16,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:16,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:07:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226713135] [2022-11-18 21:07:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:16,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:07:16,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:16,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:07:16,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:07:16,878 INFO L87 Difference]: Start difference. First operand 20877 states and 31939 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:07:41,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:45,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:02,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:02,844 INFO L93 Difference]: Finished difference Result 31378 states and 48146 transitions. [2022-11-18 21:08:02,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:08:02,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-18 21:08:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:03,031 INFO L225 Difference]: With dead ends: 31378 [2022-11-18 21:08:03,032 INFO L226 Difference]: Without dead ends: 31375 [2022-11-18 21:08:03,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:08:03,064 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 14304 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 15557 mSolverCounterSat, 4900 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15395 SdHoareTripleChecker+Valid, 4265 SdHoareTripleChecker+Invalid, 20459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4900 IncrementalHoareTripleChecker+Valid, 15557 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:03,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15395 Valid, 4265 Invalid, 20459 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4900 Valid, 15557 Invalid, 2 Unknown, 0 Unchecked, 43.6s Time] [2022-11-18 21:08:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31375 states. [2022-11-18 21:08:05,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31375 to 30497. [2022-11-18 21:08:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30497 states, 21878 states have (on average 1.4100923301947161) internal successors, (30850), 22751 states have internal predecessors, (30850), 7049 states have call successors, (7049), 1369 states have call predecessors, (7049), 1569 states have return successors, (8723), 6867 states have call predecessors, (8723), 7033 states have call successors, (8723) [2022-11-18 21:08:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30497 states to 30497 states and 46622 transitions. [2022-11-18 21:08:05,614 INFO L78 Accepts]: Start accepts. Automaton has 30497 states and 46622 transitions. Word has length 14 [2022-11-18 21:08:05,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:05,615 INFO L495 AbstractCegarLoop]: Abstraction has 30497 states and 46622 transitions. [2022-11-18 21:08:05,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:08:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30497 states and 46622 transitions. [2022-11-18 21:08:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 21:08:05,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:05,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:05,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:08:05,618 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:05,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:05,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1080639729, now seen corresponding path program 1 times [2022-11-18 21:08:05,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:05,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757762076] [2022-11-18 21:08:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:08:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:06,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:06,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757762076] [2022-11-18 21:08:06,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757762076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:06,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:06,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:08:06,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362459207] [2022-11-18 21:08:06,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:06,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:08:06,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:06,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:08:06,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:08:06,597 INFO L87 Difference]: Start difference. First operand 30497 states and 46622 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:08:52,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:57,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:04,229 INFO L93 Difference]: Finished difference Result 88444 states and 142429 transitions. [2022-11-18 21:09:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:09:04,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-18 21:09:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:04,573 INFO L225 Difference]: With dead ends: 88444 [2022-11-18 21:09:04,574 INFO L226 Difference]: Without dead ends: 57948 [2022-11-18 21:09:05,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:09:05,187 INFO L413 NwaCegarLoop]: 4346 mSDtfsCounter, 12748 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 21842 mSolverCounterSat, 4091 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13906 SdHoareTripleChecker+Valid, 6853 SdHoareTripleChecker+Invalid, 25935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4091 IncrementalHoareTripleChecker+Valid, 21842 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:05,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13906 Valid, 6853 Invalid, 25935 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4091 Valid, 21842 Invalid, 2 Unknown, 0 Unchecked, 53.7s Time] [2022-11-18 21:09:05,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57948 states. [2022-11-18 21:09:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57948 to 56608. [2022-11-18 21:09:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56608 states, 40489 states have (on average 1.4086048062436711) internal successors, (57033), 42175 states have internal predecessors, (57033), 13183 states have call successors, (13183), 2648 states have call predecessors, (13183), 2935 states have return successors, (18681), 12719 states have call predecessors, (18681), 13166 states have call successors, (18681) [2022-11-18 21:09:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56608 states to 56608 states and 88897 transitions. [2022-11-18 21:09:10,097 INFO L78 Accepts]: Start accepts. Automaton has 56608 states and 88897 transitions. Word has length 15 [2022-11-18 21:09:10,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:10,098 INFO L495 AbstractCegarLoop]: Abstraction has 56608 states and 88897 transitions. [2022-11-18 21:09:10,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:09:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 56608 states and 88897 transitions. [2022-11-18 21:09:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-18 21:09:10,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:10,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:10,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:09:10,114 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:10,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1142479230, now seen corresponding path program 1 times [2022-11-18 21:09:10,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:10,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442618477] [2022-11-18 21:09:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:10,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:09:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:09:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 21:09:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:09:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:09:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 21:09:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:11,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:11,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442618477] [2022-11-18 21:09:11,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442618477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:11,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:11,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:09:11,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860005793] [2022-11-18 21:09:11,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:11,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:09:11,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:11,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:09:11,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:09:11,319 INFO L87 Difference]: Start difference. First operand 56608 states and 88897 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:09:41,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:44,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:49,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:49,042 INFO L93 Difference]: Finished difference Result 114443 states and 180180 transitions. [2022-11-18 21:09:49,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:09:49,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-18 21:09:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:49,437 INFO L225 Difference]: With dead ends: 114443 [2022-11-18 21:09:49,437 INFO L226 Difference]: Without dead ends: 57841 [2022-11-18 21:09:49,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:09:49,977 INFO L413 NwaCegarLoop]: 2505 mSDtfsCounter, 4214 mSDsluCounter, 2007 mSDsCounter, 0 mSdLazyCounter, 14891 mSolverCounterSat, 1139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4979 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 16032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Valid, 14891 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:49,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4979 Valid, 4512 Invalid, 16032 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1139 Valid, 14891 Invalid, 2 Unknown, 0 Unchecked, 33.7s Time] [2022-11-18 21:09:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57841 states. [2022-11-18 21:09:52,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57841 to 56612. [2022-11-18 21:09:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56612 states, 40493 states have (on average 1.4085644432371027) internal successors, (57037), 42179 states have internal predecessors, (57037), 13183 states have call successors, (13183), 2648 states have call predecessors, (13183), 2935 states have return successors, (18681), 12719 states have call predecessors, (18681), 13166 states have call successors, (18681) [2022-11-18 21:09:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56612 states to 56612 states and 88901 transitions. [2022-11-18 21:09:53,275 INFO L78 Accepts]: Start accepts. Automaton has 56612 states and 88901 transitions. Word has length 66 [2022-11-18 21:09:53,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:53,276 INFO L495 AbstractCegarLoop]: Abstraction has 56612 states and 88901 transitions. [2022-11-18 21:09:53,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:09:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 56612 states and 88901 transitions. [2022-11-18 21:09:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-18 21:09:53,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:53,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:53,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:09:53,279 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:53,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:53,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2027424720, now seen corresponding path program 1 times [2022-11-18 21:09:53,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:53,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398315253] [2022-11-18 21:09:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:09:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:09:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 21:09:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:09:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:09:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:09:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:54,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:54,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398315253] [2022-11-18 21:09:54,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398315253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:54,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:54,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:09:54,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965310153] [2022-11-18 21:09:54,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:54,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:09:54,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:09:54,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:09:54,557 INFO L87 Difference]: Start difference. First operand 56612 states and 88901 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:10:25,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:28,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:30,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:35,741 INFO L93 Difference]: Finished difference Result 114451 states and 180184 transitions. [2022-11-18 21:10:35,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:10:35,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2022-11-18 21:10:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:10:36,280 INFO L225 Difference]: With dead ends: 114451 [2022-11-18 21:10:36,280 INFO L226 Difference]: Without dead ends: 57845 [2022-11-18 21:10:36,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:10:36,625 INFO L413 NwaCegarLoop]: 2430 mSDtfsCounter, 4238 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 14976 mSolverCounterSat, 1153 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5012 SdHoareTripleChecker+Valid, 4364 SdHoareTripleChecker+Invalid, 16131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1153 IncrementalHoareTripleChecker+Valid, 14976 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:10:36,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5012 Valid, 4364 Invalid, 16131 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1153 Valid, 14976 Invalid, 2 Unknown, 0 Unchecked, 37.1s Time] [2022-11-18 21:10:36,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57845 states. [2022-11-18 21:10:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57845 to 56616. [2022-11-18 21:10:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56616 states, 40497 states have (on average 1.4085240882040646) internal successors, (57041), 42183 states have internal predecessors, (57041), 13183 states have call successors, (13183), 2648 states have call predecessors, (13183), 2935 states have return successors, (18681), 12719 states have call predecessors, (18681), 13166 states have call successors, (18681) [2022-11-18 21:10:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56616 states to 56616 states and 88905 transitions. [2022-11-18 21:10:39,976 INFO L78 Accepts]: Start accepts. Automaton has 56616 states and 88905 transitions. Word has length 69 [2022-11-18 21:10:39,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:10:39,977 INFO L495 AbstractCegarLoop]: Abstraction has 56616 states and 88905 transitions. [2022-11-18 21:10:39,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:10:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 56616 states and 88905 transitions. [2022-11-18 21:10:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-18 21:10:39,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:10:39,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:10:39,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:10:39,980 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:10:39,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:39,980 INFO L85 PathProgramCache]: Analyzing trace with hash 462104242, now seen corresponding path program 1 times [2022-11-18 21:10:39,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:39,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289780919] [2022-11-18 21:10:39,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:39,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:10:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:10:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 21:10:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:10:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:10:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:10:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:10:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:41,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:10:41,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289780919] [2022-11-18 21:10:41,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289780919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:10:41,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:10:41,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:10:41,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425381035] [2022-11-18 21:10:41,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:10:41,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:10:41,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:10:41,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:10:41,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:10:41,632 INFO L87 Difference]: Start difference. First operand 56616 states and 88905 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:10:45,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:20,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:23,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:11:28,780 INFO L93 Difference]: Finished difference Result 114467 states and 180204 transitions. [2022-11-18 21:11:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:11:28,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2022-11-18 21:11:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:11:29,107 INFO L225 Difference]: With dead ends: 114467 [2022-11-18 21:11:29,107 INFO L226 Difference]: Without dead ends: 57857 [2022-11-18 21:11:29,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:11:29,367 INFO L413 NwaCegarLoop]: 2495 mSDtfsCounter, 4220 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 21026 mSolverCounterSat, 1140 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4985 SdHoareTripleChecker+Valid, 6449 SdHoareTripleChecker+Invalid, 22168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1140 IncrementalHoareTripleChecker+Valid, 21026 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:11:29,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4985 Valid, 6449 Invalid, 22168 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1140 Valid, 21026 Invalid, 2 Unknown, 0 Unchecked, 42.8s Time] [2022-11-18 21:11:29,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57857 states. [2022-11-18 21:11:31,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57857 to 56624. [2022-11-18 21:11:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56624 states, 40505 states have (on average 1.4084434020491297) internal successors, (57049), 42191 states have internal predecessors, (57049), 13183 states have call successors, (13183), 2648 states have call predecessors, (13183), 2935 states have return successors, (18681), 12719 states have call predecessors, (18681), 13166 states have call successors, (18681) [2022-11-18 21:11:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56624 states to 56624 states and 88913 transitions. [2022-11-18 21:11:32,695 INFO L78 Accepts]: Start accepts. Automaton has 56624 states and 88913 transitions. Word has length 69 [2022-11-18 21:11:32,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:11:32,695 INFO L495 AbstractCegarLoop]: Abstraction has 56624 states and 88913 transitions. [2022-11-18 21:11:32,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:11:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 56624 states and 88913 transitions. [2022-11-18 21:11:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-18 21:11:32,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:11:32,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:11:32,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:11:32,698 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:11:32,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:11:32,699 INFO L85 PathProgramCache]: Analyzing trace with hash -884140920, now seen corresponding path program 1 times [2022-11-18 21:11:32,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:11:32,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039429750] [2022-11-18 21:11:32,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:11:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:11:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:11:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:11:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 21:11:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:11:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:11:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 21:11:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:11:34,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:11:34,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039429750] [2022-11-18 21:11:34,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039429750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:11:34,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:11:34,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:11:34,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624558082] [2022-11-18 21:11:34,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:11:34,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:11:34,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:11:34,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:11:34,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:11:34,740 INFO L87 Difference]: Start difference. First operand 56624 states and 88913 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:12:14,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:18,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:23,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:12:23,249 INFO L93 Difference]: Finished difference Result 114491 states and 180232 transitions. [2022-11-18 21:12:23,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:12:23,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-18 21:12:23,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:12:23,805 INFO L225 Difference]: With dead ends: 114491 [2022-11-18 21:12:23,805 INFO L226 Difference]: Without dead ends: 57873 [2022-11-18 21:12:24,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:12:24,079 INFO L413 NwaCegarLoop]: 2493 mSDtfsCounter, 4222 mSDsluCounter, 3946 mSDsCounter, 0 mSdLazyCounter, 21036 mSolverCounterSat, 1142 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4987 SdHoareTripleChecker+Valid, 6439 SdHoareTripleChecker+Invalid, 22180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1142 IncrementalHoareTripleChecker+Valid, 21036 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:12:24,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4987 Valid, 6439 Invalid, 22180 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1142 Valid, 21036 Invalid, 2 Unknown, 0 Unchecked, 44.4s Time] [2022-11-18 21:12:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57873 states. [2022-11-18 21:12:26,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57873 to 56638. [2022-11-18 21:12:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56638 states, 40517 states have (on average 1.4083224325591728) internal successors, (57061), 42205 states have internal predecessors, (57061), 13183 states have call successors, (13183), 2648 states have call predecessors, (13183), 2937 states have return successors, (18685), 12719 states have call predecessors, (18685), 13166 states have call successors, (18685) [2022-11-18 21:12:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56638 states to 56638 states and 88929 transitions. [2022-11-18 21:12:27,304 INFO L78 Accepts]: Start accepts. Automaton has 56638 states and 88929 transitions. Word has length 66 [2022-11-18 21:12:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:12:27,305 INFO L495 AbstractCegarLoop]: Abstraction has 56638 states and 88929 transitions. [2022-11-18 21:12:27,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:12:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 56638 states and 88929 transitions. [2022-11-18 21:12:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-18 21:12:27,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:12:27,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:12:27,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:12:27,308 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:12:27,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:12:27,309 INFO L85 PathProgramCache]: Analyzing trace with hash 839837131, now seen corresponding path program 1 times [2022-11-18 21:12:27,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:12:27,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832739975] [2022-11-18 21:12:27,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:12:27,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:12:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:12:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:12:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 21:12:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:12:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:12:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 21:12:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:12:31,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:12:31,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832739975] [2022-11-18 21:12:31,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832739975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:12:31,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:12:31,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:12:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110760894] [2022-11-18 21:12:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:12:31,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:12:31,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:12:31,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:12:31,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:12:31,274 INFO L87 Difference]: Start difference. First operand 56638 states and 88929 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 21:12:40,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:20,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:24,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:30,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:13:30,416 INFO L93 Difference]: Finished difference Result 114507 states and 180236 transitions. [2022-11-18 21:13:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:13:30,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2022-11-18 21:13:30,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:13:30,696 INFO L225 Difference]: With dead ends: 114507 [2022-11-18 21:13:30,696 INFO L226 Difference]: Without dead ends: 57875 [2022-11-18 21:13:31,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:13:31,249 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 4222 mSDsluCounter, 6827 mSDsCounter, 0 mSdLazyCounter, 27167 mSolverCounterSat, 1103 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4987 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 28272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1103 IncrementalHoareTripleChecker+Valid, 27167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:13:31,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4987 Valid, 9628 Invalid, 28272 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1103 Valid, 27167 Invalid, 2 Unknown, 0 Unchecked, 54.6s Time] [2022-11-18 21:13:31,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57875 states. [2022-11-18 21:13:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57875 to 56638. [2022-11-18 21:13:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56638 states, 40517 states have (on average 1.4082730705629736) internal successors, (57059), 42205 states have internal predecessors, (57059), 13183 states have call successors, (13183), 2648 states have call predecessors, (13183), 2937 states have return successors, (18685), 12719 states have call predecessors, (18685), 13166 states have call successors, (18685) [2022-11-18 21:13:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56638 states to 56638 states and 88927 transitions. [2022-11-18 21:13:34,606 INFO L78 Accepts]: Start accepts. Automaton has 56638 states and 88927 transitions. Word has length 68 [2022-11-18 21:13:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:13:34,607 INFO L495 AbstractCegarLoop]: Abstraction has 56638 states and 88927 transitions. [2022-11-18 21:13:34,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 21:13:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 56638 states and 88927 transitions. [2022-11-18 21:13:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 21:13:34,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:13:34,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:13:34,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:13:34,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:13:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:13:34,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1162263559, now seen corresponding path program 1 times [2022-11-18 21:13:34,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:13:34,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552144907] [2022-11-18 21:13:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:13:34,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:13:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:13:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:13:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 21:13:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:13:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:13:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:13:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:13:35,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:13:35,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552144907] [2022-11-18 21:13:35,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552144907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:13:35,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:13:35,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:13:35,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657298847] [2022-11-18 21:13:35,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:13:35,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:13:35,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:13:35,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:13:35,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:13:35,998 INFO L87 Difference]: Start difference. First operand 56638 states and 88927 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 21:14:16,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:14:22,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:14:28,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:14:28,746 INFO L93 Difference]: Finished difference Result 132633 states and 214468 transitions. [2022-11-18 21:14:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:14:28,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-11-18 21:14:28,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:14:29,104 INFO L225 Difference]: With dead ends: 132633 [2022-11-18 21:14:29,105 INFO L226 Difference]: Without dead ends: 76001 [2022-11-18 21:14:29,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:14:29,701 INFO L413 NwaCegarLoop]: 2789 mSDtfsCounter, 11156 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 16524 mSolverCounterSat, 3906 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12127 SdHoareTripleChecker+Valid, 4462 SdHoareTripleChecker+Invalid, 20432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3906 IncrementalHoareTripleChecker+Valid, 16524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:14:29,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12127 Valid, 4462 Invalid, 20432 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3906 Valid, 16524 Invalid, 2 Unknown, 0 Unchecked, 46.8s Time] [2022-11-18 21:14:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76001 states. [2022-11-18 21:14:33,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76001 to 74045. [2022-11-18 21:14:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74045 states, 52857 states have (on average 1.403768658834213) internal successors, (74199), 55169 states have internal predecessors, (74199), 17227 states have call successors, (17227), 3746 states have call predecessors, (17227), 3960 states have return successors, (22798), 16409 states have call predecessors, (22798), 17028 states have call successors, (22798) [2022-11-18 21:14:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74045 states to 74045 states and 114224 transitions. [2022-11-18 21:14:34,654 INFO L78 Accepts]: Start accepts. Automaton has 74045 states and 114224 transitions. Word has length 71 [2022-11-18 21:14:34,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:14:34,654 INFO L495 AbstractCegarLoop]: Abstraction has 74045 states and 114224 transitions. [2022-11-18 21:14:34,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 21:14:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 74045 states and 114224 transitions. [2022-11-18 21:14:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 21:14:34,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:14:34,656 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:14:34,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:14:34,657 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:14:34,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:14:34,657 INFO L85 PathProgramCache]: Analyzing trace with hash 389312080, now seen corresponding path program 1 times [2022-11-18 21:14:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:14:34,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316957642] [2022-11-18 21:14:34,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:14:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:14:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:14:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:14:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:14:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:14:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:14:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:14:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:14:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 21:14:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:14:36,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:14:36,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316957642] [2022-11-18 21:14:36,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316957642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:14:36,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:14:36,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:14:36,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266472871] [2022-11-18 21:14:36,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:14:36,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:14:36,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:14:36,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:14:36,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:14:36,606 INFO L87 Difference]: Start difference. First operand 74045 states and 114224 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-18 21:15:36,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:15:44,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:15:50,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:15:50,425 INFO L93 Difference]: Finished difference Result 83234 states and 131203 transitions. [2022-11-18 21:15:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:15:50,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2022-11-18 21:15:50,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:15:50,904 INFO L225 Difference]: With dead ends: 83234 [2022-11-18 21:15:50,904 INFO L226 Difference]: Without dead ends: 83030 [2022-11-18 21:15:50,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:15:50,940 INFO L413 NwaCegarLoop]: 3088 mSDtfsCounter, 7335 mSDsluCounter, 8280 mSDsCounter, 0 mSdLazyCounter, 32559 mSolverCounterSat, 3677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7985 SdHoareTripleChecker+Valid, 11368 SdHoareTripleChecker+Invalid, 36238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 3677 IncrementalHoareTripleChecker+Valid, 32559 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:15:50,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7985 Valid, 11368 Invalid, 36238 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [3677 Valid, 32559 Invalid, 2 Unknown, 0 Unchecked, 68.3s Time] [2022-11-18 21:15:51,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83030 states. [2022-11-18 21:15:55,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83030 to 74333. [2022-11-18 21:15:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74333 states, 53028 states have (on average 1.4034472354227956) internal successors, (74422), 55394 states have internal predecessors, (74422), 17272 states have call successors, (17272), 3746 states have call predecessors, (17272), 4032 states have return successors, (23002), 16463 states have call predecessors, (23002), 17073 states have call successors, (23002) [2022-11-18 21:15:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74333 states to 74333 states and 114696 transitions. [2022-11-18 21:15:56,233 INFO L78 Accepts]: Start accepts. Automaton has 74333 states and 114696 transitions. Word has length 73 [2022-11-18 21:15:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:15:56,233 INFO L495 AbstractCegarLoop]: Abstraction has 74333 states and 114696 transitions. [2022-11-18 21:15:56,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-18 21:15:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 74333 states and 114696 transitions. [2022-11-18 21:15:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-18 21:15:56,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:15:56,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:56,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:15:56,237 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:15:56,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:15:56,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1679743867, now seen corresponding path program 1 times [2022-11-18 21:15:56,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:15:56,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103117604] [2022-11-18 21:15:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:15:56,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:15:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:15:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:15:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 21:15:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:15:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:15:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:15:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:15:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:15:58,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:15:58,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103117604] [2022-11-18 21:15:58,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103117604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:15:58,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:15:58,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:15:58,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735194504] [2022-11-18 21:15:58,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:15:58,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:15:58,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:15:58,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:15:58,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:15:58,025 INFO L87 Difference]: Start difference. First operand 74333 states and 114696 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-18 21:16:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:37,732 INFO L93 Difference]: Finished difference Result 82026 states and 126027 transitions. [2022-11-18 21:16:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:16:37,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 75 [2022-11-18 21:16:37,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:37,992 INFO L225 Difference]: With dead ends: 82026 [2022-11-18 21:16:37,994 INFO L226 Difference]: Without dead ends: 7699 [2022-11-18 21:16:38,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:16:38,275 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 3672 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 24094 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4355 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 24699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 24094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:38,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4355 Valid, 3505 Invalid, 24699 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [605 Valid, 24094 Invalid, 0 Unknown, 0 Unchecked, 37.4s Time] [2022-11-18 21:16:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7699 states. [2022-11-18 21:16:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7699 to 7468. [2022-11-18 21:16:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 5365 states have (on average 1.4005591798695247) internal successors, (7514), 5611 states have internal predecessors, (7514), 1686 states have call successors, (1686), 431 states have call predecessors, (1686), 416 states have return successors, (1726), 1543 states have call predecessors, (1726), 1602 states have call successors, (1726)