./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 --- 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-5e519f3 [2022-11-03 04:07:26,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:07:26,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:07:27,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:07:27,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:07:27,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:07:27,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:07:27,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:07:27,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:07:27,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:07:27,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:07:27,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:07:27,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:07:27,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:07:27,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:07:27,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:07:27,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:07:27,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:07:27,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:07:27,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:07:27,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:07:27,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:07:27,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:07:27,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:07:27,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:07:27,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:07:27,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:07:27,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:07:27,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:07:27,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:07:27,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:07:27,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:07:27,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:07:27,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:07:27,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:07:27,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:07:27,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:07:27,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:07:27,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:07:27,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:07:27,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:07:27,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:07:27,069 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:07:27,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:07:27,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:07:27,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:07:27,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:07:27,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:07:27,075 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:07:27,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:07:27,076 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:07:27,076 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:07:27,077 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:07:27,078 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:07:27,078 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:07:27,078 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:07:27,079 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:07:27,079 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:07:27,079 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:07:27,079 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:07:27,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:07:27,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:07:27,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:07:27,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:07:27,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:07:27,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:07:27,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:07:27,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:07:27,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:07:27,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:07:27,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:07:27,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:27,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:07:27,086 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:07:27,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:07:27,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:07:27,087 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:07:27,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:07:27,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:07:27,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:07:27,088 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_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 [2022-11-03 04:07:27,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:07:27,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:07:27,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:07:27,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:07:27,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:07:27,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-11-03 04:07:27,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/data/3ce8892c2/52474904fbfe4608b70b535cab8d7558/FLAG2f26b1aa3 [2022-11-03 04:07:28,391 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:07:28,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-11-03 04:07:28,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/data/3ce8892c2/52474904fbfe4608b70b535cab8d7558/FLAG2f26b1aa3 [2022-11-03 04:07:28,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/data/3ce8892c2/52474904fbfe4608b70b535cab8d7558 [2022-11-03 04:07:28,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:07:28,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:07:28,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:28,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:07:28,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:07:28,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:28" (1/1) ... [2022-11-03 04:07:28,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476e850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:28, skipping insertion in model container [2022-11-03 04:07:28,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:28" (1/1) ... [2022-11-03 04:07:28,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:07:29,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:07:29,594 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2022-11-03 04:07:29,597 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2022-11-03 04:07:29,984 WARN L230 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_644c9851-97e3-4e0a-80ee-59d626fba64b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2022-11-03 04:07:31,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:07:31,131 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:07:31,238 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2022-11-03 04:07:31,238 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2022-11-03 04:07:31,249 WARN L230 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_644c9851-97e3-4e0a-80ee-59d626fba64b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2022-11-03 04:07:31,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:07:31,899 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:07:31,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31 WrapperNode [2022-11-03 04:07:31,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:31,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:07:31,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:07:31,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:07:31,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,247 INFO L138 Inliner]: procedures = 250, calls = 2339, calls flagged for inlining = 129, calls inlined = 127, statements flattened = 6369 [2022-11-03 04:07:32,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:07:32,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:07:32,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:07:32,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:07:32,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:07:32,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:07:32,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:07:32,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:07:32,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (1/1) ... [2022-11-03 04:07:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:32,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:07:32,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:07:32,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644c9851-97e3-4e0a-80ee-59d626fba64b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:07:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context [2022-11-03 04:07:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context [2022-11-03 04:07:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 04:07:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:07:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:07:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 04:07:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 04:07:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:07:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:07:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba [2022-11-03 04:07:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba [2022-11-03 04:07:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-03 04:07:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-03 04:07:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-03 04:07:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-03 04:07:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 04:07:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 04:07:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 04:07:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 04:07:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:07:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:07:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get [2022-11-03 04:07:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get [2022-11-03 04:07:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table [2022-11-03 04:07:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table [2022-11-03 04:07:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-03 04:07:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-03 04:07:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba [2022-11-03 04:07:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba [2022-11-03 04:07:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-03 04:07:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-03 04:07:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-11-03 04:07:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-11-03 04:07:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 04:07:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 04:07:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:07:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:07:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2 [2022-11-03 04:07:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2 [2022-11-03 04:07:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-03 04:07:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-03 04:07:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:07:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:07:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar [2022-11-03 04:07:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar [2022-11-03 04:07:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-11-03 04:07:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-11-03 04:07:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:07:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:07:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 04:07:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 04:07:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset [2022-11-03 04:07:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset [2022-11-03 04:07:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:07:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:07:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 04:07:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 04:07:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-03 04:07:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-03 04:07:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 04:07:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 04:07:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:07:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 04:07:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 04:07:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:07:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 04:07:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 04:07:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get [2022-11-03 04:07:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get [2022-11-03 04:07:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 04:07:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 04:07:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 04:07:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 04:07:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 04:07:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 04:07:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct [2022-11-03 04:07:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct [2022-11-03 04:07:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 04:07:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 04:07:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait [2022-11-03 04:07:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait [2022-11-03 04:07:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:07:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:07:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:07:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 04:07:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 04:07:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-11-03 04:07:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-11-03 04:07:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 04:07:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 04:07:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 04:07:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 04:07:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth [2022-11-03 04:07:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth [2022-11-03 04:07:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:07:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba [2022-11-03 04:07:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba [2022-11-03 04:07:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 04:07:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 04:07:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:07:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl [2022-11-03 04:07:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl [2022-11-03 04:07:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba [2022-11-03 04:07:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba [2022-11-03 04:07:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:07:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:07:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led [2022-11-03 04:07:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led [2022-11-03 04:07:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:07:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:07:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 04:07:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 04:07:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:07:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:07:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:07:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 04:07:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 04:07:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop [2022-11-03 04:07:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop [2022-11-03 04:07:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 04:07:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 04:07:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:07:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:07:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:07:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device [2022-11-03 04:07:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device [2022-11-03 04:07:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64 [2022-11-03 04:07:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64 [2022-11-03 04:07:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 04:07:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 04:07:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:07:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context [2022-11-03 04:07:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context [2022-11-03 04:07:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:07:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 04:07:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 04:07:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 04:07:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:07:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:07:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 04:07:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 04:07:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 04:07:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 04:07:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state [2022-11-03 04:07:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state [2022-11-03 04:07:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 04:07:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 04:07:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online [2022-11-03 04:07:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online [2022-11-03 04:07:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this [2022-11-03 04:07:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this [2022-11-03 04:07:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 04:07:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 04:07:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 04:07:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 04:07:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown [2022-11-03 04:07:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown [2022-11-03 04:07:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 04:07:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 04:07:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 04:07:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 04:07:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:07:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit [2022-11-03 04:07:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit [2022-11-03 04:07:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-03 04:07:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-03 04:07:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-03 04:07:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-03 04:07:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:07:32,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:07:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 04:07:32,724 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 04:07:33,777 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:07:33,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:07:34,627 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:07:46,559 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:07:48,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:07:48,630 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:07:48,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:07:48 BoogieIcfgContainer [2022-11-03 04:07:48,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:07:48,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:07:48,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:07:48,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:07:48,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:07:28" (1/3) ... [2022-11-03 04:07:48,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2755cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:07:48, skipping insertion in model container [2022-11-03 04:07:48,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:31" (2/3) ... [2022-11-03 04:07:48,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2755cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:07:48, skipping insertion in model container [2022-11-03 04:07:48,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:07:48" (3/3) ... [2022-11-03 04:07:48,649 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-11-03 04:07:48,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:07:48,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:07:48,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:07:48,758 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=FINITE_AUTOMATA, 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;@74c21411, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:07:48,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:07:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 1509 states, 994 states have (on average 1.3853118712273642) internal successors, (1377), 1018 states have internal predecessors, (1377), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) [2022-11-03 04:07:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 04:07:48,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:48,785 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:48,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:07:48,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:48,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2123544036, now seen corresponding path program 1 times [2022-11-03 04:07:48,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:48,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906830860] [2022-11-03 04:07:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:48,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 04:07:49,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:49,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906830860] [2022-11-03 04:07:49,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906830860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:49,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:49,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:07:49,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612893561] [2022-11-03 04:07:49,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:49,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:07:49,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:07:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:07:49,619 INFO L87 Difference]: Start difference. First operand has 1509 states, 994 states have (on average 1.3853118712273642) internal successors, (1377), 1018 states have internal predecessors, (1377), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 04:07:52,129 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 [] [2022-11-03 04:07:54,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:56,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:59,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:01,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:02,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:02,450 INFO L93 Difference]: Finished difference Result 4277 states and 6446 transitions. [2022-11-03 04:08:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:02,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2022-11-03 04:08:02,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:02,492 INFO L225 Difference]: With dead ends: 4277 [2022-11-03 04:08:02,493 INFO L226 Difference]: Without dead ends: 2745 [2022-11-03 04:08:02,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:02,512 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 1867 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 4391 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:02,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 4391 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 460 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-11-03 04:08:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2022-11-03 04:08:02,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2737. [2022-11-03 04:08:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 1806 states have (on average 1.372093023255814) internal successors, (2478), 1835 states have internal predecessors, (2478), 789 states have call successors, (789), 142 states have call predecessors, (789), 141 states have return successors, (788), 786 states have call predecessors, (788), 788 states have call successors, (788) [2022-11-03 04:08:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 4055 transitions. [2022-11-03 04:08:02,917 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 4055 transitions. Word has length 53 [2022-11-03 04:08:02,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:02,920 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 4055 transitions. [2022-11-03 04:08:02,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 04:08:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 4055 transitions. [2022-11-03 04:08:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 04:08:02,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:02,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:02,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:08:02,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:02,943 INFO L85 PathProgramCache]: Analyzing trace with hash -780113864, now seen corresponding path program 1 times [2022-11-03 04:08:02,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:02,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221740924] [2022-11-03 04:08:02,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:02,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:08:03,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:03,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221740924] [2022-11-03 04:08:03,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221740924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:03,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:03,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:03,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577825250] [2022-11-03 04:08:03,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:03,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:03,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:03,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:03,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:03,328 INFO L87 Difference]: Start difference. First operand 2737 states and 4055 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 04:08:05,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:08,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:12,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:14,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:15,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:17,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:17,197 INFO L93 Difference]: Finished difference Result 5188 states and 7848 transitions. [2022-11-03 04:08:17,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:17,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2022-11-03 04:08:17,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:17,244 INFO L225 Difference]: With dead ends: 5188 [2022-11-03 04:08:17,245 INFO L226 Difference]: Without dead ends: 5185 [2022-11-03 04:08:17,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:17,252 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 2038 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 4715 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:17,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 4715 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 447 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2022-11-03 04:08:17,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-11-03 04:08:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5075. [2022-11-03 04:08:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 3366 states have (on average 1.3755199049316695) internal successors, (4630), 3407 states have internal predecessors, (4630), 1438 states have call successors, (1438), 268 states have call predecessors, (1438), 270 states have return successors, (1573), 1442 states have call predecessors, (1573), 1437 states have call successors, (1573) [2022-11-03 04:08:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7641 transitions. [2022-11-03 04:08:17,539 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7641 transitions. Word has length 67 [2022-11-03 04:08:17,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:17,540 INFO L495 AbstractCegarLoop]: Abstraction has 5075 states and 7641 transitions. [2022-11-03 04:08:17,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 04:08:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7641 transitions. [2022-11-03 04:08:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-03 04:08:17,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:17,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:17,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:08:17,545 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:17,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2076861631, now seen corresponding path program 1 times [2022-11-03 04:08:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:17,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024093849] [2022-11-03 04:08:17,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:17,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 04:08:18,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:18,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024093849] [2022-11-03 04:08:18,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024093849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:18,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:18,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:18,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942237002] [2022-11-03 04:08:18,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:18,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:18,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:18,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:18,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:18,523 INFO L87 Difference]: Start difference. First operand 5075 states and 7641 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 04:08:20,863 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 [] [2022-11-03 04:08:22,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:24,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:27,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:30,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:30,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:30,418 INFO L93 Difference]: Finished difference Result 9553 states and 14639 transitions. [2022-11-03 04:08:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:30,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-11-03 04:08:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:30,505 INFO L225 Difference]: With dead ends: 9553 [2022-11-03 04:08:30,505 INFO L226 Difference]: Without dead ends: 9550 [2022-11-03 04:08:30,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:30,518 INFO L413 NwaCegarLoop]: 2538 mSDtfsCounter, 2057 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 4463 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:30,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 4463 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 421 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-11-03 04:08:30,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9550 states. [2022-11-03 04:08:31,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9550 to 9482. [2022-11-03 04:08:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9482 states, 6286 states have (on average 1.3771874005727012) internal successors, (8657), 6376 states have internal predecessors, (8657), 2674 states have call successors, (2674), 519 states have call predecessors, (2674), 521 states have return successors, (3193), 2660 states have call predecessors, (3193), 2673 states have call successors, (3193) [2022-11-03 04:08:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9482 states to 9482 states and 14524 transitions. [2022-11-03 04:08:31,179 INFO L78 Accepts]: Start accepts. Automaton has 9482 states and 14524 transitions. Word has length 75 [2022-11-03 04:08:31,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:31,179 INFO L495 AbstractCegarLoop]: Abstraction has 9482 states and 14524 transitions. [2022-11-03 04:08:31,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 04:08:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 9482 states and 14524 transitions. [2022-11-03 04:08:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 04:08:31,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:31,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:31,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:08:31,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:31,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:31,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1727074117, now seen corresponding path program 1 times [2022-11-03 04:08:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:31,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857591238] [2022-11-03 04:08:31,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 04:08:31,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:31,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857591238] [2022-11-03 04:08:31,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857591238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:31,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:31,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:31,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249002625] [2022-11-03 04:08:31,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:31,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:31,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:31,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:31,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:31,485 INFO L87 Difference]: Start difference. First operand 9482 states and 14524 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:08:34,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:36,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:39,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:41,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:45,162 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 [] [2022-11-03 04:08:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:45,346 INFO L93 Difference]: Finished difference Result 26103 states and 39913 transitions. [2022-11-03 04:08:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:45,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2022-11-03 04:08:45,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:45,495 INFO L225 Difference]: With dead ends: 26103 [2022-11-03 04:08:45,495 INFO L226 Difference]: Without dead ends: 16630 [2022-11-03 04:08:45,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:45,603 INFO L413 NwaCegarLoop]: 2448 mSDtfsCounter, 1726 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 4424 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:45,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 4424 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 447 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2022-11-03 04:08:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16630 states. [2022-11-03 04:08:46,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16630 to 16592. [2022-11-03 04:08:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16592 states, 10975 states have (on average 1.369384965831435) internal successors, (15029), 11166 states have internal predecessors, (15029), 4688 states have call successors, (4688), 924 states have call predecessors, (4688), 928 states have return successors, (5637), 4637 states have call predecessors, (5637), 4687 states have call successors, (5637) [2022-11-03 04:08:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16592 states to 16592 states and 25354 transitions. [2022-11-03 04:08:46,765 INFO L78 Accepts]: Start accepts. Automaton has 16592 states and 25354 transitions. Word has length 89 [2022-11-03 04:08:46,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:46,766 INFO L495 AbstractCegarLoop]: Abstraction has 16592 states and 25354 transitions. [2022-11-03 04:08:46,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:08:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 16592 states and 25354 transitions. [2022-11-03 04:08:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 04:08:46,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:46,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:46,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:08:46,775 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:46,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash 637143463, now seen corresponding path program 1 times [2022-11-03 04:08:46,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:46,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612787292] [2022-11-03 04:08:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:46,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:08:47,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:47,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612787292] [2022-11-03 04:08:47,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612787292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:47,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:47,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:08:47,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347102356] [2022-11-03 04:08:47,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:47,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:08:47,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:08:47,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:47,146 INFO L87 Difference]: Start difference. First operand 16592 states and 25354 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:08:50,319 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 [] [2022-11-03 04:08:53,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:58,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:00,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:05,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:07,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:09,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:09,726 INFO L93 Difference]: Finished difference Result 49666 states and 75941 transitions. [2022-11-03 04:09:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:09:09,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 95 [2022-11-03 04:09:09,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:10,028 INFO L225 Difference]: With dead ends: 49666 [2022-11-03 04:09:10,028 INFO L226 Difference]: Without dead ends: 33091 [2022-11-03 04:09:10,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:09:10,185 INFO L413 NwaCegarLoop]: 2533 mSDtfsCounter, 2392 mSDsluCounter, 7488 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 147 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 9366 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:10,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 9366 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1007 Invalid, 6 Unknown, 0 Unchecked, 21.2s Time] [2022-11-03 04:09:10,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33091 states. [2022-11-03 04:09:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33091 to 32798. [2022-11-03 04:09:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32798 states, 21705 states have (on average 1.371296936189818) internal successors, (29764), 22182 states have internal predecessors, (29764), 9252 states have call successors, (9252), 1808 states have call predecessors, (9252), 1840 states have return successors, (11207), 9067 states have call predecessors, (11207), 9251 states have call successors, (11207) [2022-11-03 04:09:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32798 states to 32798 states and 50223 transitions. [2022-11-03 04:09:12,990 INFO L78 Accepts]: Start accepts. Automaton has 32798 states and 50223 transitions. Word has length 95 [2022-11-03 04:09:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:12,991 INFO L495 AbstractCegarLoop]: Abstraction has 32798 states and 50223 transitions. [2022-11-03 04:09:12,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:09:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32798 states and 50223 transitions. [2022-11-03 04:09:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-03 04:09:13,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:13,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:13,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:09:13,013 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:09:13,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:13,013 INFO L85 PathProgramCache]: Analyzing trace with hash -681118578, now seen corresponding path program 1 times [2022-11-03 04:09:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:13,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500836698] [2022-11-03 04:09:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:13,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:09:13,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:13,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500836698] [2022-11-03 04:09:13,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500836698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:13,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:13,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:09:13,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161986] [2022-11-03 04:09:13,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:13,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:09:13,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:13,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:09:13,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:13,513 INFO L87 Difference]: Start difference. First operand 32798 states and 50223 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:09:17,145 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 [] [2022-11-03 04:09:20,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:22,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:26,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:29,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:34,733 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 [] [2022-11-03 04:09:35,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:35,411 INFO L93 Difference]: Finished difference Result 67194 states and 102756 transitions. [2022-11-03 04:09:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:09:35,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 97 [2022-11-03 04:09:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:35,856 INFO L225 Difference]: With dead ends: 67194 [2022-11-03 04:09:35,856 INFO L226 Difference]: Without dead ends: 50595 [2022-11-03 04:09:36,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:09:36,026 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 2404 mSDsluCounter, 7188 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 147 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 8977 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:36,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 8977 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 942 Invalid, 5 Unknown, 0 Unchecked, 20.0s Time] [2022-11-03 04:09:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50595 states. [2022-11-03 04:09:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50595 to 50348. [2022-11-03 04:09:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50348 states, 33300 states have (on average 1.3702102102102103) internal successors, (45628), 34016 states have internal predecessors, (45628), 14154 states have call successors, (14154), 2836 states have call predecessors, (14154), 2893 states have return successors, (17190), 13891 states have call predecessors, (17190), 14153 states have call successors, (17190) [2022-11-03 04:09:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50348 states to 50348 states and 76972 transitions. [2022-11-03 04:09:39,537 INFO L78 Accepts]: Start accepts. Automaton has 50348 states and 76972 transitions. Word has length 97 [2022-11-03 04:09:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:39,538 INFO L495 AbstractCegarLoop]: Abstraction has 50348 states and 76972 transitions. [2022-11-03 04:09:39,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:09:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 50348 states and 76972 transitions. [2022-11-03 04:09:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-03 04:09:39,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:39,553 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:39,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:09:39,553 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:09:39,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:39,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2666548, now seen corresponding path program 1 times [2022-11-03 04:09:39,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:39,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39057205] [2022-11-03 04:09:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:39,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:09:39,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:39,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39057205] [2022-11-03 04:09:39,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39057205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:39,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:39,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:09:39,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145169272] [2022-11-03 04:09:39,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:39,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:09:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:09:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:39,894 INFO L87 Difference]: Start difference. First operand 50348 states and 76972 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:09:43,368 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 [] [2022-11-03 04:09:46,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:50,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:52,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:55,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:58,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:02,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:04,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:04,277 INFO L93 Difference]: Finished difference Result 100990 states and 154350 transitions. [2022-11-03 04:10:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:10:04,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 96 [2022-11-03 04:10:04,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:04,979 INFO L225 Difference]: With dead ends: 100990 [2022-11-03 04:10:04,979 INFO L226 Difference]: Without dead ends: 68093 [2022-11-03 04:10:05,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:10:05,259 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 2395 mSDsluCounter, 7182 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 147 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:05,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 8971 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 936 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2022-11-03 04:10:05,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68093 states. [2022-11-03 04:10:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68093 to 67846. [2022-11-03 04:10:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67846 states, 44859 states have (on average 1.3696248244499432) internal successors, (61440), 45806 states have internal predecessors, (61440), 19040 states have call successors, (19040), 3864 states have call predecessors, (19040), 3946 states have return successors, (23073), 18695 states have call predecessors, (23073), 19039 states have call successors, (23073) [2022-11-03 04:10:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67846 states to 67846 states and 103553 transitions. [2022-11-03 04:10:09,183 INFO L78 Accepts]: Start accepts. Automaton has 67846 states and 103553 transitions. Word has length 96 [2022-11-03 04:10:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:09,183 INFO L495 AbstractCegarLoop]: Abstraction has 67846 states and 103553 transitions. [2022-11-03 04:10:09,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:10:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 67846 states and 103553 transitions. [2022-11-03 04:10:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 04:10:09,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:09,200 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:09,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:10:09,200 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:10:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1737494099, now seen corresponding path program 1 times [2022-11-03 04:10:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:09,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970188282] [2022-11-03 04:10:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:10:09,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:09,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970188282] [2022-11-03 04:10:09,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970188282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:09,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:09,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:10:09,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936645499] [2022-11-03 04:10:09,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:09,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:10:09,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:09,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:10:09,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:10:09,727 INFO L87 Difference]: Start difference. First operand 67846 states and 103553 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:10:12,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:15,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:17,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:22,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:24,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:27,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:29,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:33,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:35,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:39,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:42,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:43,575 INFO L93 Difference]: Finished difference Result 119736 states and 182619 transitions. [2022-11-03 04:10:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:10:43,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 98 [2022-11-03 04:10:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:44,059 INFO L225 Difference]: With dead ends: 119736 [2022-11-03 04:10:44,059 INFO L226 Difference]: Without dead ends: 67699 [2022-11-03 04:10:44,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:10:44,441 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 2404 mSDsluCounter, 7193 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 147 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 8977 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:44,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 8977 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 939 Invalid, 10 Unknown, 0 Unchecked, 30.2s Time] [2022-11-03 04:10:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67699 states. [2022-11-03 04:10:47,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67699 to 67460. [2022-11-03 04:10:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67460 states, 44567 states have (on average 1.3691745013126304) internal successors, (61020), 45483 states have internal predecessors, (61020), 18884 states have call successors, (18884), 3937 states have call predecessors, (18884), 4008 states have return successors, (22832), 18539 states have call predecessors, (22832), 18883 states have call successors, (22832) [2022-11-03 04:10:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67460 states to 67460 states and 102736 transitions. [2022-11-03 04:10:48,060 INFO L78 Accepts]: Start accepts. Automaton has 67460 states and 102736 transitions. Word has length 98 [2022-11-03 04:10:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:48,060 INFO L495 AbstractCegarLoop]: Abstraction has 67460 states and 102736 transitions. [2022-11-03 04:10:48,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 04:10:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 67460 states and 102736 transitions. [2022-11-03 04:10:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 04:10:48,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:48,078 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:48,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 04:10:48,079 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:10:48,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:48,080 INFO L85 PathProgramCache]: Analyzing trace with hash -2020028966, now seen corresponding path program 1 times [2022-11-03 04:10:48,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:48,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228050769] [2022-11-03 04:10:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:48,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-03 04:10:48,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228050769] [2022-11-03 04:10:48,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228050769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:48,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:48,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:10:48,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085656785] [2022-11-03 04:10:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:48,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:10:48,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:48,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:10:48,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:10:48,342 INFO L87 Difference]: Start difference. First operand 67460 states and 102736 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:10:51,153 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 [] [2022-11-03 04:10:54,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:59,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:07,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:09,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:09,878 INFO L93 Difference]: Finished difference Result 189714 states and 288959 transitions. [2022-11-03 04:11:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:11:09,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2022-11-03 04:11:09,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:10,981 INFO L225 Difference]: With dead ends: 189714 [2022-11-03 04:11:10,981 INFO L226 Difference]: Without dead ends: 122271 [2022-11-03 04:11:11,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:11,399 INFO L413 NwaCegarLoop]: 2924 mSDtfsCounter, 1817 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 4908 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:11,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1837 Valid, 4908 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 517 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-11-03 04:11:11,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122271 states.