./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.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_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/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_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/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_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/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 a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced --- 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 03:34:57,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:34:57,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:34:57,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:34:57,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:34:57,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:34:57,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:34:57,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:34:57,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:34:57,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:34:57,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:34:57,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:34:57,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:34:57,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:34:57,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:34:57,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:34:57,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:34:57,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:34:57,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:34:57,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:34:57,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:34:57,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:34:57,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:34:57,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:34:57,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:34:57,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:34:57,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:34:57,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:34:57,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:34:57,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:34:57,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:34:57,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:34:57,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:34:57,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:34:57,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:34:57,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:34:57,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:34:57,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:34:57,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:34:57,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:34:57,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:34:57,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:34:57,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:34:57,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:34:57,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:34:57,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:34:57,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:34:57,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:34:57,578 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:34:57,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:34:57,578 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:34:57,579 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:34:57,579 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:34:57,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:34:57,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:34:57,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:34:57,580 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:34:57,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:34:57,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:34:57,581 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:34:57,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:34:57,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:34:57,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:34:57,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:34:57,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:34:57,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:34:57,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:34:57,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:34:57,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:34:57,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:34:57,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:34:57,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:57,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:34:57,587 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:34:57,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:34:57,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:34:57,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:34:57,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:34:57,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:34:57,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:34:57,589 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_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced [2022-11-03 03:34:57,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:34:57,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:34:57,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:34:57,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:34:57,971 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:34:57,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2022-11-03 03:34:58,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/data/a1d764589/e7938492c95e4d61bf3d15451216e03b/FLAG7c847a346 [2022-11-03 03:34:59,348 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:34:59,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2022-11-03 03:34:59,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/data/a1d764589/e7938492c95e4d61bf3d15451216e03b/FLAG7c847a346 [2022-11-03 03:34:59,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/data/a1d764589/e7938492c95e4d61bf3d15451216e03b [2022-11-03 03:34:59,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:34:59,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:34:59,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:59,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:34:59,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:34:59,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:59" (1/1) ... [2022-11-03 03:34:59,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47418e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:59, skipping insertion in model container [2022-11-03 03:34:59,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:59" (1/1) ... [2022-11-03 03:34:59,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:34:59,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:35:05,954 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_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i[609016,609029] [2022-11-03 03:35:06,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:35:06,823 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:35:08,589 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_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i[609016,609029] [2022-11-03 03:35:08,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:35:09,302 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:35:09,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09 WrapperNode [2022-11-03 03:35:09,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:35:09,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:35:09,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:35:09,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:35:09,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:09,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:11,185 INFO L138 Inliner]: procedures = 521, calls = 13767, calls flagged for inlining = 259, calls inlined = 255, statements flattened = 21678 [2022-11-03 03:35:11,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:35:11,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:35:11,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:35:11,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:35:11,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:11,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:11,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:11,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:12,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:12,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:12,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:12,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:13,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:35:13,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:35:13,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:35:13,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:35:13,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:13,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:35:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:35:13,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:35:13,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5ecb2e-5213-4a75-87dd-79e0d8ba6411/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:35:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inl [2022-11-03 03:35:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inl [2022-11-03 03:35:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unpause [2022-11-03 03:35:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unpause [2022-11-03 03:35:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 03:35:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_neg_request [2022-11-03 03:35:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_neg_request [2022-11-03 03:35:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2022-11-03 03:35:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2022-11-03 03:35:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_unload [2022-11-03 03:35:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_unload [2022-11-03 03:35:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outl [2022-11-03 03:35:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outl [2022-11-03 03:35:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-03 03:35:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-03 03:35:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_verify_cksum [2022-11-03 03:35:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_verify_cksum [2022-11-03 03:35:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inw [2022-11-03 03:35:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inw [2022-11-03 03:35:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:35:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:35:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure send_seeprom_cmd [2022-11-03 03:35:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure send_seeprom_cmd [2022-11-03 03:35:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_seqint [2022-11-03 03:35:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_seqint [2022-11-03 03:35:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-03 03:35:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-03 03:35:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_wdtr [2022-11-03 03:35:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_wdtr [2022-11-03 03:35:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:35:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:35:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_seeprom [2022-11-03 03:35:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_seeprom [2022-11-03 03:35:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outb [2022-11-03 03:35:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outb [2022-11-03 03:35:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:35:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:35:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_user_tagdepth [2022-11-03 03:35:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_user_tagdepth [2022-11-03 03:35:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr_enable [2022-11-03 03:35:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr_enable [2022-11-03 03:35:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_scb [2022-11-03 03:35:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_scb [2022-11-03 03:35:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2022-11-03 03:35:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2022-11-03 03:35:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-11-03 03:35:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-11-03 03:35:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue [2022-11-03 03:35:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue [2022-11-03 03:35:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_assert_atn [2022-11-03 03:35:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_assert_atn [2022-11-03 03:35:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_path [2022-11-03 03:35:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_path [2022-11-03 03:35:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_compile_devinfo [2022-11-03 03:35:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_compile_devinfo [2022-11-03 03:35:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inb [2022-11-03 03:35:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inb [2022-11-03 03:35:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_format_transinfo [2022-11-03 03:35:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_format_transinfo [2022-11-03 03:35:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2022-11-03 03:35:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2022-11-03 03:35:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_critical_section [2022-11-03 03:35:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_critical_section [2022-11-03 03:35:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_check_patch [2022-11-03 03:35:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_check_patch [2022-11-03 03:35:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_sense_residual [2022-11-03 03:35:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_sense_residual [2022-11-03 03:35:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_lun_print [2022-11-03 03:35:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_lun_print [2022-11-03 03:35:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure configure_termination [2022-11-03 03:35:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_termination [2022-11-03 03:35:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_scb [2022-11-03 03:35:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_scb [2022-11-03 03:35:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scb [2022-11-03 03:35:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scb [2022-11-03 03:35:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_residual [2022-11-03 03:35:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_residual [2022-11-03 03:35:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7899_setup [2022-11-03 03:35:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7899_setup [2022-11-03 03:35:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XX_setup [2022-11-03 03:35:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XX_setup [2022-11-03 03:35:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_ppr [2022-11-03 03:35:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_ppr [2022-11-03 03:35:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:35:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:35:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_flush_device_writes [2022-11-03 03:35:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_flush_device_writes [2022-11-03 03:35:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:35:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:35:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_devinfo [2022-11-03 03:35:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_devinfo [2022-11-03 03:35:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_pending_scbs [2022-11-03 03:35:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_pending_scbs [2022-11-03 03:35:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:35:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_devinfo [2022-11-03 03:35:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_devinfo [2022-11-03 03:35:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:35:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:35:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unlock [2022-11-03 03:35:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unlock [2022-11-03 03:35:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2022-11-03 03:35:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2022-11-03 03:35:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:35:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:35:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7860_setup [2022-11-03 03:35:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7860_setup [2022-11-03 03:35:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_shutdown [2022-11-03 03:35:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_shutdown [2022-11-03 03:35:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:35:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_done [2022-11-03 03:35:13,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_done [2022-11-03 03:35:13,579 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_tags [2022-11-03 03:35:13,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_tags [2022-11-03 03:35:13,580 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_scsiint [2022-11-03 03:35:13,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_scsiint [2022-11-03 03:35:13,581 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 03:35:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 03:35:13,583 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_restart [2022-11-03 03:35:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_restart [2022-11-03 03:35:13,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:35:13,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:35:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_recovery_cmd [2022-11-03 03:35:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_recovery_cmd [2022-11-03 03:35:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_offset [2022-11-03 03:35:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_offset [2022-11-03 03:35:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:35:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:35:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_scsi_status [2022-11-03 03:35:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_scsi_status [2022-11-03 03:35:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_is_paused [2022-11-03 03:35:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_is_paused [2022-11-03 03:35:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_untagged_queues [2022-11-03 03:35:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_untagged_queues [2022-11-03 03:35:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_scb [2022-11-03 03:35:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_scb [2022-11-03 03:35:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7880_setup [2022-11-03 03:35:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7880_setup [2022-11-03 03:35:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_qinfifo [2022-11-03 03:35:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_qinfifo [2022-11-03 03:35:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_tstate [2022-11-03 03:35:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_tstate [2022-11-03 03:35:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:35:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:35:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_tag_print [2022-11-03 03:35:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_tag_print [2022-11-03 03:35:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_get_transaction_status [2022-11-03 03:35:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_get_transaction_status [2022-11-03 03:35:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:35:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_function [2022-11-03 03:35:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_function [2022-11-03 03:35:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_phase_entry [2022-11-03 03:35:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_phase_entry [2022-11-03 03:35:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unbusy_tcl [2022-11-03 03:35:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unbusy_tcl [2022-11-03 03:35:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:35:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_controller_info [2022-11-03 03:35:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_controller_info [2022-11-03 03:35:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure read_brdctl [2022-11-03 03:35:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure read_brdctl [2022-11-03 03:35:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XU_setup [2022-11-03 03:35:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XU_setup [2022-11-03 03:35:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:35:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_devreset [2022-11-03 03:35:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_devreset [2022-11-03 03:35:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_dev_reset [2022-11-03 03:35:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_dev_reset [2022-11-03 03:35:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_free [2022-11-03 03:35:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_free [2022-11-03 03:35:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:35:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:35:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_residual [2022-11-03 03:35:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_residual [2022-11-03 03:35:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 03:35:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 03:35:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:35:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:35:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_resume [2022-11-03 03:35:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_resume [2022-11-03 03:35:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_syncrate [2022-11-03 03:35:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_syncrate [2022-11-03 03:35:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_chip_init [2022-11-03 03:35:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_chip_init [2022-11-03 03:35:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_residual [2022-11-03 03:35:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_residual [2022-11-03 03:35:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7870_setup [2022-11-03 03:35:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7870_setup [2022-11-03 03:35:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_alloc [2022-11-03 03:35:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_alloc [2022-11-03 03:35:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_disc_list [2022-11-03 03:35:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_disc_list [2022-11-03 03:35:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_resume [2022-11-03 03:35:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_resume [2022-11-03 03:35:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_remove [2022-11-03 03:35:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_remove [2022-11-03 03:35:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_message_phase [2022-11-03 03:35:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_message_phase [2022-11-03 03:35:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_control_print [2022-11-03 03:35:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_control_print [2022-11-03 03:35:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_devinfo [2022-11-03 03:35:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_devinfo [2022-11-03 03:35:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_destroy [2022-11-03 03:35:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_destroy [2022-11-03 03:35:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_and_flushwork [2022-11-03 03:35:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_and_flushwork [2022-11-03 03:35:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:35:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:35:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_set_transaction_status [2022-11-03 03:35:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_set_transaction_status [2022-11-03 03:35:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_cmd_complete [2022-11-03 03:35:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_cmd_complete [2022-11-03 03:35:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_loadseq [2022-11-03 03:35:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_loadseq [2022-11-03 03:35:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_read_seeprom [2022-11-03 03:35:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_read_seeprom [2022-11-03 03:35:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_scsiid_print [2022-11-03 03:35:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_scsiid_print [2022-11-03 03:35:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 03:35:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 03:35:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_info [2022-11-03 03:35:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_info [2022-11-03 03:35:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:35:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:35:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:35:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:35:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_set_width [2022-11-03 03:35:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_set_width [2022-11-03 03:35:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transaction_status [2022-11-03 03:35:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transaction_status [2022-11-03 03:35:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_configure [2022-11-03 03:35:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_configure [2022-11-03 03:35:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scsi_status [2022-11-03 03:35:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scsi_status [2022-11-03 03:35:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_abort_scbs [2022-11-03 03:35:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_abort_scbs [2022-11-03 03:35:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_current_bus [2022-11-03 03:35:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_current_bus [2022-11-03 03:35:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_register [2022-11-03 03:35:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_register [2022-11-03 03:35:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:35:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:35:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_syncrate [2022-11-03 03:35:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_syncrate [2022-11-03 03:35:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sent_msg [2022-11-03 03:35:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sent_msg [2022-11-03 03:35:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lock [2022-11-03 03:35:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lock [2022-11-03 03:35:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transfer_length [2022-11-03 03:35:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transfer_length [2022-11-03 03:35:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_build_transfer_msg [2022-11-03 03:35:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_build_transfer_msg [2022-11-03 03:35:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write_brdctl [2022-11-03 03:35:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure write_brdctl [2022-11-03 03:35:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:35:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:35:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:35:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:35:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_slot [2022-11-03 03:35:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_slot [2022-11-03 03:35:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_acquire_seeprom [2022-11-03 03:35:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_acquire_seeprom [2022-11-03 03:35:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_read_config [2022-11-03 03:35:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_read_config [2022-11-03 03:35:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:35:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_swap_with_next_hscb [2022-11-03 03:35:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_swap_with_next_hscb [2022-11-03 03:35:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 03:35:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 03:35:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_alloc [2022-11-03 03:35:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_alloc [2022-11-03 03:35:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_delay [2022-11-03 03:35:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_delay [2022-11-03 03:35:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_period [2022-11-03 03:35:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_period [2022-11-03 03:35:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:35:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394X_setup [2022-11-03 03:35:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394X_setup [2022-11-03 03:35:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue_tail [2022-11-03 03:35:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue_tail [2022-11-03 03:35:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_index_busy_tcl [2022-11-03 03:35:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_index_busy_tcl [2022-11-03 03:35:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_destroy [2022-11-03 03:35:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_destroy [2022-11-03 03:35:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:35:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_abort [2022-11-03 03:35:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_abort [2022-11-03 03:35:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-03 03:35:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_chip_init [2022-11-03 03:35:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_chip_init [2022-11-03 03:35:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_run_qoutfifo [2022-11-03 03:35:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_run_qoutfifo [2022-11-03 03:35:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_scbs [2022-11-03 03:35:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_scbs [2022-11-03 03:35:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_parse_msg [2022-11-03 03:35:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_parse_msg [2022-11-03 03:35:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_intstat [2022-11-03 03:35:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_intstat [2022-11-03 03:35:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_proto_violation [2022-11-03 03:35:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_proto_violation [2022-11-03 03:35:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_devq [2022-11-03 03:35:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_devq [2022-11-03 03:35:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 03:35:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 03:35:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure reset_seeprom [2022-11-03 03:35:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_seeprom [2022-11-03 03:35:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_width [2022-11-03 03:35:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_width [2022-11-03 03:35:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_msg_state [2022-11-03 03:35:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_msg_state [2022-11-03 03:35:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_untagged_queues [2022-11-03 03:35:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_untagged_queues [2022-11-03 03:35:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_bus [2022-11-03 03:35:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_bus [2022-11-03 03:35:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-11-03 03:35:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-11-03 03:35:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_match_scb [2022-11-03 03:35:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_match_scb [2022-11-03 03:35:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_bus_reset [2022-11-03 03:35:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_bus_reset [2022-11-03 03:35:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_abort_scbs [2022-11-03 03:35:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_abort_scbs [2022-11-03 03:35:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_destroy [2022-11-03 03:35:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_destroy [2022-11-03 03:35:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_add_curscb_to_free_list [2022-11-03 03:35:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_add_curscb_to_free_list [2022-11-03 03:35:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_brkadrint [2022-11-03 03:35:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_brkadrint [2022-11-03 03:35:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_get_signalling [2022-11-03 03:35:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_get_signalling [2022-11-03 03:35:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_send_async [2022-11-03 03:35:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_send_async [2022-11-03 03:35:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scbram_config [2022-11-03 03:35:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scbram_config [2022-11-03 03:35:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_probe_scbs [2022-11-03 03:35:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_probe_scbs [2022-11-03 03:35:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sg_bus_to_virt [2022-11-03 03:35:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sg_bus_to_virt [2022-11-03 03:35:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_create [2022-11-03 03:35:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_create [2022-11-03 03:35:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_load [2022-11-03 03:35:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_load [2022-11-03 03:35:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 03:35:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 03:35:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:35:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:35:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_msg_reject [2022-11-03 03:35:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_msg_reject [2022-11-03 03:35:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:35:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_transaction_status [2022-11-03 03:35:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_transaction_status [2022-11-03 03:35:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_queue_scb [2022-11-03 03:35:13,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_queue_scb [2022-11-03 03:35:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue [2022-11-03 03:35:13,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:35:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_transinfo [2022-11-03 03:35:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_transinfo [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset [2022-11-03 03:35:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_untagged_queues [2022-11-03 03:35:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_untagged_queues [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:35:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_write_config [2022-11-03 03:35:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_write_config [2022-11-03 03:35:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_bug_fix [2022-11-03 03:35:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_bug_fix [2022-11-03 03:35:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 03:35:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 03:35:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_download_instr [2022-11-03 03:35:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_download_instr [2022-11-03 03:35:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr [2022-11-03 03:35:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr [2022-11-03 03:35:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_free [2022-11-03 03:35:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_free [2022-11-03 03:35:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-03 03:35:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-03 03:35:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_force_renegotiation [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_force_renegotiation [2022-11-03 03:35:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_sdtr [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_sdtr [2022-11-03 03:35:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2022-11-03 03:35:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_show_info [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_show_info [2022-11-03 03:35:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_channel [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_channel [2022-11-03 03:35:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2022-11-03 03:35:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 03:35:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_qoutfifo [2022-11-03 03:35:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_qoutfifo [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_alloc [2022-11-03 03:35:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_alloc [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dump_card_state [2022-11-03 03:35:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dump_card_state [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_devlimited_syncrate [2022-11-03 03:35:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_devlimited_syncrate [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_transport_device_data [2022-11-03 03:35:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_transport_device_data [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_set_tags [2022-11-03 03:35:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_set_tags [2022-11-03 03:35:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 03:35:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_width [2022-11-03 03:35:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_width [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause [2022-11-03 03:35:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_name [2022-11-03 03:35:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_name [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_in_softc [2022-11-03 03:35:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_in_softc [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha398XX_setup [2022-11-03 03:35:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha398XX_setup [2022-11-03 03:35:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7895_setup [2022-11-03 03:35:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7895_setup [2022-11-03 03:35:15,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:35:15,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:35:16,918 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:42:08,543 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:42:20,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:42:20,847 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:42:20,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:20 BoogieIcfgContainer [2022-11-03 03:42:20,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:42:20,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:42:20,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:42:20,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:42:20,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:34:59" (1/3) ... [2022-11-03 03:42:20,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3267b142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:20, skipping insertion in model container [2022-11-03 03:42:20,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09" (2/3) ... [2022-11-03 03:42:20,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3267b142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:20, skipping insertion in model container [2022-11-03 03:42:20,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:20" (3/3) ... [2022-11-03 03:42:20,871 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2022-11-03 03:42:20,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:42:20,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:42:21,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:42:21,063 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;@157e2c65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:42:21,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:42:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 4731 states, 2800 states have (on average 1.3239285714285713) internal successors, (3707), 2952 states have internal predecessors, (3707), 1730 states have call successors, (1730), 200 states have call predecessors, (1730), 199 states have return successors, (1725), 1691 states have call predecessors, (1725), 1725 states have call successors, (1725) [2022-11-03 03:42:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 03:42:21,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:21,124 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:42:21,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:21,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1935655674, now seen corresponding path program 1 times [2022-11-03 03:42:21,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:21,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768089746] [2022-11-03 03:42:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:21,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-03 03:42:25,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:25,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768089746] [2022-11-03 03:42:25,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768089746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:25,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:25,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:42:25,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052293671] [2022-11-03 03:42:25,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:25,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:42:25,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:25,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:42:25,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:25,903 INFO L87 Difference]: Start difference. First operand has 4731 states, 2800 states have (on average 1.3239285714285713) internal successors, (3707), 2952 states have internal predecessors, (3707), 1730 states have call successors, (1730), 200 states have call predecessors, (1730), 199 states have return successors, (1725), 1691 states have call predecessors, (1725), 1725 states have call successors, (1725) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:42:28,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:34,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:37,870 WARN L539 Checker$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 03:42:41,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:44,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:46,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:47,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:50,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:52,802 WARN L539 Checker$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 03:42:54,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:57,232 WARN L539 Checker$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 03:42:58,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:05,671 INFO L93 Difference]: Finished difference Result 13814 states and 21208 transitions. [2022-11-03 03:43:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:43:05,681 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), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2022-11-03 03:43:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:05,784 INFO L225 Difference]: With dead ends: 13814 [2022-11-03 03:43:05,785 INFO L226 Difference]: Without dead ends: 9077 [2022-11-03 03:43:05,831 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 03:43:05,835 INFO L413 NwaCegarLoop]: 8937 mSDtfsCounter, 6594 mSDsluCounter, 7168 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6594 SdHoareTripleChecker+Valid, 15508 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:05,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6594 Valid, 15508 Invalid, 1362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1354 Invalid, 6 Unknown, 0 Unchecked, 38.9s Time] [2022-11-03 03:43:05,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9077 states. [2022-11-03 03:43:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9077 to 9072. [2022-11-03 03:43:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9072 states, 5357 states have (on average 1.318461825648684) internal successors, (7063), 5642 states have internal predecessors, (7063), 3326 states have call successors, (3326), 389 states have call predecessors, (3326), 388 states have return successors, (3408), 3256 states have call predecessors, (3408), 3325 states have call successors, (3408) [2022-11-03 03:43:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9072 states to 9072 states and 13797 transitions. [2022-11-03 03:43:07,240 INFO L78 Accepts]: Start accepts. Automaton has 9072 states and 13797 transitions. Word has length 123 [2022-11-03 03:43:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:07,242 INFO L495 AbstractCegarLoop]: Abstraction has 9072 states and 13797 transitions. [2022-11-03 03:43:07,243 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), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:43:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9072 states and 13797 transitions. [2022-11-03 03:43:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-03 03:43:07,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:07,265 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 03:43:07,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:43:07,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:07,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:07,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1291637711, now seen corresponding path program 1 times [2022-11-03 03:43:07,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:07,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272280177] [2022-11-03 03:43:07,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:07,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-03 03:43:10,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:10,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272280177] [2022-11-03 03:43:10,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272280177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:10,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:10,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:43:10,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109316560] [2022-11-03 03:43:10,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:10,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:43:10,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:10,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:43:10,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:43:10,479 INFO L87 Difference]: Start difference. First operand 9072 states and 13797 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:43:13,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:23,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:26,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:31,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:34,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:36,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:43,560 WARN L539 Checker$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 03:43:45,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:45,974 INFO L93 Difference]: Finished difference Result 22419 states and 33996 transitions. [2022-11-03 03:43:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:43:45,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 161 [2022-11-03 03:43:45,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:46,063 INFO L225 Difference]: With dead ends: 22419 [2022-11-03 03:43:46,064 INFO L226 Difference]: Without dead ends: 13364 [2022-11-03 03:43:46,125 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 03:43:46,127 INFO L413 NwaCegarLoop]: 11457 mSDtfsCounter, 5924 mSDsluCounter, 7083 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5929 SdHoareTripleChecker+Valid, 17951 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:46,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5929 Valid, 17951 Invalid, 1627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1621 Invalid, 5 Unknown, 0 Unchecked, 34.9s Time] [2022-11-03 03:43:46,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13364 states. [2022-11-03 03:43:47,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13364 to 13354. [2022-11-03 03:43:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13354 states, 7893 states have (on average 1.3196503230710757) internal successors, (10416), 8324 states have internal predecessors, (10416), 4855 states have call successors, (4855), 606 states have call predecessors, (4855), 605 states have return successors, (4942), 4749 states have call predecessors, (4942), 4854 states have call successors, (4942) [2022-11-03 03:43:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13354 states to 13354 states and 20213 transitions. [2022-11-03 03:43:47,591 INFO L78 Accepts]: Start accepts. Automaton has 13354 states and 20213 transitions. Word has length 161 [2022-11-03 03:43:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:47,592 INFO L495 AbstractCegarLoop]: Abstraction has 13354 states and 20213 transitions. [2022-11-03 03:43:47,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:43:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 13354 states and 20213 transitions. [2022-11-03 03:43:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-03 03:43:47,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:47,600 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:47,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:43:47,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:47,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2044869657, now seen corresponding path program 1 times [2022-11-03 03:43:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:47,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237686577] [2022-11-03 03:43:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-11-03 03:43:51,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:51,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237686577] [2022-11-03 03:43:51,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237686577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:51,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:51,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:43:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709930765] [2022-11-03 03:43:51,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:51,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:43:51,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:51,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:43:51,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:43:51,045 INFO L87 Difference]: Start difference. First operand 13354 states and 20213 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 03:43:53,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:00,166 WARN L539 Checker$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 03:44:07,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:10,080 WARN L539 Checker$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 03:44:13,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:15,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:18,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:20,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:22,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:24,987 WARN L539 Checker$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 03:44:26,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:27,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:33,303 INFO L93 Difference]: Finished difference Result 29164 states and 44260 transitions. [2022-11-03 03:44:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:44:33,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 198 [2022-11-03 03:44:33,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:33,415 INFO L225 Difference]: With dead ends: 29164 [2022-11-03 03:44:33,416 INFO L226 Difference]: Without dead ends: 15827 [2022-11-03 03:44:33,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:44:33,493 INFO L413 NwaCegarLoop]: 7462 mSDtfsCounter, 8655 mSDsluCounter, 8352 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 509 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8662 SdHoareTripleChecker+Valid, 15054 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:33,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8662 Valid, 15054 Invalid, 2355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [509 Valid, 1840 Invalid, 6 Unknown, 0 Unchecked, 41.5s Time] [2022-11-03 03:44:33,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15827 states. [2022-11-03 03:44:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15827 to 13802. [2022-11-03 03:44:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13802 states, 8175 states have (on average 1.319388379204893) internal successors, (10786), 8619 states have internal predecessors, (10786), 4967 states have call successors, (4967), 658 states have call predecessors, (4967), 659 states have return successors, (5060), 4860 states have call predecessors, (5060), 4966 states have call successors, (5060) [2022-11-03 03:44:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13802 states to 13802 states and 20813 transitions. [2022-11-03 03:44:35,196 INFO L78 Accepts]: Start accepts. Automaton has 13802 states and 20813 transitions. Word has length 198 [2022-11-03 03:44:35,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:35,205 INFO L495 AbstractCegarLoop]: Abstraction has 13802 states and 20813 transitions. [2022-11-03 03:44:35,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 03:44:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 13802 states and 20813 transitions. [2022-11-03 03:44:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-03 03:44:35,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:35,218 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:35,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:44:35,219 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:35,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1547287645, now seen corresponding path program 1 times [2022-11-03 03:44:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:35,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283128666] [2022-11-03 03:44:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:35,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-11-03 03:44:38,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:38,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283128666] [2022-11-03 03:44:38,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283128666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:38,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:38,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:44:38,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300301355] [2022-11-03 03:44:38,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:38,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:38,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:38,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:38,173 INFO L87 Difference]: Start difference. First operand 13802 states and 20813 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:44:40,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:46,687 WARN L539 Checker$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 03:44:51,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:53,783 WARN L539 Checker$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 03:45:00,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:07,512 WARN L539 Checker$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 03:45:11,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:11,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:11,130 INFO L93 Difference]: Finished difference Result 25990 states and 39607 transitions. [2022-11-03 03:45:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:11,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 210 [2022-11-03 03:45:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:11,287 INFO L225 Difference]: With dead ends: 25990 [2022-11-03 03:45:11,288 INFO L226 Difference]: Without dead ends: 25987 [2022-11-03 03:45:11,303 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 03:45:11,305 INFO L413 NwaCegarLoop]: 8649 mSDtfsCounter, 6791 mSDsluCounter, 6987 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6791 SdHoareTripleChecker+Valid, 15067 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:11,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6791 Valid, 15067 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1231 Invalid, 6 Unknown, 0 Unchecked, 32.0s Time] [2022-11-03 03:45:11,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-11-03 03:45:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 25824. [2022-11-03 03:45:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25824 states, 15275 states have (on average 1.3241243862520458) internal successors, (20226), 16157 states have internal predecessors, (20226), 9356 states have call successors, (9356), 1201 states have call predecessors, (9356), 1192 states have return successors, (9746), 9100 states have call predecessors, (9746), 9355 states have call successors, (9746) [2022-11-03 03:45:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25824 states to 25824 states and 39328 transitions. [2022-11-03 03:45:14,582 INFO L78 Accepts]: Start accepts. Automaton has 25824 states and 39328 transitions. Word has length 210 [2022-11-03 03:45:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:14,583 INFO L495 AbstractCegarLoop]: Abstraction has 25824 states and 39328 transitions. [2022-11-03 03:45:14,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:45:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 25824 states and 39328 transitions. [2022-11-03 03:45:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-11-03 03:45:14,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:14,647 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:14,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:45:14,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1544188540, now seen corresponding path program 1 times [2022-11-03 03:45:14,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:14,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347139592] [2022-11-03 03:45:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-11-03 03:45:19,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:19,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347139592] [2022-11-03 03:45:19,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347139592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:19,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:19,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:45:19,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230448374] [2022-11-03 03:45:19,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:19,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:45:19,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:19,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:45:19,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:45:19,344 INFO L87 Difference]: Start difference. First operand 25824 states and 39328 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 03:45:21,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:30,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:35,835 WARN L539 Checker$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 03:45:37,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:43,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:45,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:47,709 WARN L539 Checker$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 03:45:55,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:59,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:00,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:00,375 INFO L93 Difference]: Finished difference Result 56542 states and 86949 transitions. [2022-11-03 03:46:00,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:46:00,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 351 [2022-11-03 03:46:00,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:00,522 INFO L225 Difference]: With dead ends: 56542 [2022-11-03 03:46:00,522 INFO L226 Difference]: Without dead ends: 31109 [2022-11-03 03:46:00,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:46:00,663 INFO L413 NwaCegarLoop]: 7210 mSDtfsCounter, 1670 mSDsluCounter, 15334 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 238 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 21257 SdHoareTripleChecker+Invalid, 2186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:00,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 21257 Invalid, 2186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 1941 Invalid, 7 Unknown, 0 Unchecked, 39.6s Time] [2022-11-03 03:46:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31109 states. [2022-11-03 03:46:03,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31109 to 25832. [2022-11-03 03:46:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25832 states, 15283 states have (on average 1.3239547209317541) internal successors, (20234), 16165 states have internal predecessors, (20234), 9356 states have call successors, (9356), 1201 states have call predecessors, (9356), 1192 states have return successors, (9746), 9100 states have call predecessors, (9746), 9355 states have call successors, (9746) [2022-11-03 03:46:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25832 states to 25832 states and 39336 transitions. [2022-11-03 03:46:03,708 INFO L78 Accepts]: Start accepts. Automaton has 25832 states and 39336 transitions. Word has length 351 [2022-11-03 03:46:03,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:03,709 INFO L495 AbstractCegarLoop]: Abstraction has 25832 states and 39336 transitions. [2022-11-03 03:46:03,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 03:46:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 25832 states and 39336 transitions. [2022-11-03 03:46:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-11-03 03:46:03,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:03,761 INFO L195 NwaCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:03,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:46:03,761 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:03,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:03,762 INFO L85 PathProgramCache]: Analyzing trace with hash 508230152, now seen corresponding path program 1 times [2022-11-03 03:46:03,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:03,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742550443] [2022-11-03 03:46:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-03 03:46:06,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:06,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742550443] [2022-11-03 03:46:06,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742550443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:06,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:06,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:46:06,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804150977] [2022-11-03 03:46:06,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:06,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:06,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:06,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:06,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:06,757 INFO L87 Difference]: Start difference. First operand 25832 states and 39336 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-03 03:46:09,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:14,215 WARN L539 Checker$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 03:46:17,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:21,252 WARN L539 Checker$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 03:46:24,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:31,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:34,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:37,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:41,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:41,520 INFO L93 Difference]: Finished difference Result 65420 states and 99791 transitions. [2022-11-03 03:46:41,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:46:41,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 391 [2022-11-03 03:46:41,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:41,697 INFO L225 Difference]: With dead ends: 65420 [2022-11-03 03:46:41,697 INFO L226 Difference]: Without dead ends: 39979 [2022-11-03 03:46:41,798 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 03:46:41,799 INFO L413 NwaCegarLoop]: 11253 mSDtfsCounter, 6963 mSDsluCounter, 6059 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 21 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 16822 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:41,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6971 Valid, 16822 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1536 Invalid, 6 Unknown, 0 Unchecked, 33.2s Time] [2022-11-03 03:46:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39979 states. [2022-11-03 03:46:45,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39979 to 39961. [2022-11-03 03:46:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39961 states, 23547 states have (on average 1.3226313330785238) internal successors, (31144), 24965 states have internal predecessors, (31144), 14559 states have call successors, (14559), 1869 states have call predecessors, (14559), 1854 states have return successors, (15204), 14143 states have call predecessors, (15204), 14558 states have call successors, (15204) [2022-11-03 03:46:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39961 states to 39961 states and 60907 transitions. [2022-11-03 03:46:45,582 INFO L78 Accepts]: Start accepts. Automaton has 39961 states and 60907 transitions. Word has length 391 [2022-11-03 03:46:45,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:45,583 INFO L495 AbstractCegarLoop]: Abstraction has 39961 states and 60907 transitions. [2022-11-03 03:46:45,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-03 03:46:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 39961 states and 60907 transitions. [2022-11-03 03:46:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-11-03 03:46:45,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:45,637 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:45,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:46:45,638 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:45,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:45,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1780352448, now seen corresponding path program 1 times [2022-11-03 03:46:45,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:45,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436371232] [2022-11-03 03:46:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2022-11-03 03:46:48,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:48,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436371232] [2022-11-03 03:46:48,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436371232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:48,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:48,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:46:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18410510] [2022-11-03 03:46:48,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:48,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:48,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:48,308 INFO L87 Difference]: Start difference. First operand 39961 states and 60907 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-03 03:46:50,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:58,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:01,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:07,381 WARN L539 Checker$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 03:47:09,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:12,225 WARN L539 Checker$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 03:47:13,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:16,978 WARN L539 Checker$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 03:47:17,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:17,190 INFO L93 Difference]: Finished difference Result 79566 states and 122080 transitions. [2022-11-03 03:47:17,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:47:17,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 364 [2022-11-03 03:47:17,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:17,418 INFO L225 Difference]: With dead ends: 79566 [2022-11-03 03:47:17,418 INFO L226 Difference]: Without dead ends: 39996 [2022-11-03 03:47:17,774 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 03:47:17,775 INFO L413 NwaCegarLoop]: 6535 mSDtfsCounter, 80 mSDsluCounter, 7007 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 12954 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:17,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 12954 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1187 Invalid, 6 Unknown, 0 Unchecked, 27.1s Time] [2022-11-03 03:47:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39996 states. [2022-11-03 03:47:21,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39996 to 39996. [2022-11-03 03:47:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39996 states, 23572 states have (on average 1.322713388766333) internal successors, (31179), 25000 states have internal predecessors, (31179), 14569 states have call successors, (14569), 1869 states have call predecessors, (14569), 1854 states have return successors, (15214), 14148 states have call predecessors, (15214), 14568 states have call successors, (15214) [2022-11-03 03:47:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39996 states to 39996 states and 60962 transitions. [2022-11-03 03:47:21,641 INFO L78 Accepts]: Start accepts. Automaton has 39996 states and 60962 transitions. Word has length 364 [2022-11-03 03:47:21,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:21,641 INFO L495 AbstractCegarLoop]: Abstraction has 39996 states and 60962 transitions. [2022-11-03 03:47:21,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-03 03:47:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 39996 states and 60962 transitions. [2022-11-03 03:47:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-11-03 03:47:21,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:21,723 INFO L195 NwaCegarLoop]: trace histogram [14, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:21,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:47:21,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:47:21,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:21,725 INFO L85 PathProgramCache]: Analyzing trace with hash -433084251, now seen corresponding path program 1 times [2022-11-03 03:47:21,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:21,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989451595] [2022-11-03 03:47:21,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:21,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-03 03:47:29,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:29,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989451595] [2022-11-03 03:47:29,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989451595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:29,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:47:29,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:47:29,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588326392] [2022-11-03 03:47:29,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:29,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:47:29,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:29,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:47:29,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:47:29,677 INFO L87 Difference]: Start difference. First operand 39996 states and 60962 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 4 states have call successors, (82), 3 states have call predecessors, (82), 2 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2022-11-03 03:47:32,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:46,542 WARN L539 Checker$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 03:47:48,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:54,634 WARN L539 Checker$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 03:47:57,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:02,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:03,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:05,692 WARN L539 Checker$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 03:48:08,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:09,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:11,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:29,750 WARN L539 Checker$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 03:48:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:34,152 INFO L93 Difference]: Finished difference Result 113983 states and 175438 transitions. [2022-11-03 03:48:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:48:34,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 4 states have call successors, (82), 3 states have call predecessors, (82), 2 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 535 [2022-11-03 03:48:34,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:34,568 INFO L225 Difference]: With dead ends: 113983 [2022-11-03 03:48:34,568 INFO L226 Difference]: Without dead ends: 74378 [2022-11-03 03:48:34,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:48:34,754 INFO L413 NwaCegarLoop]: 5493 mSDtfsCounter, 8809 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 9799 mSolverCounterSat, 7569 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10310 SdHoareTripleChecker+Valid, 9407 SdHoareTripleChecker+Invalid, 17374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7569 IncrementalHoareTripleChecker+Valid, 9799 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:34,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10310 Valid, 9407 Invalid, 17374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7569 Valid, 9799 Invalid, 6 Unknown, 0 Unchecked, 60.5s Time] [2022-11-03 03:48:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74378 states. [2022-11-03 03:48:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74378 to 73427. [2022-11-03 03:48:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73427 states, 43195 states have (on average 1.3231392522282672) internal successors, (57153), 45897 states have internal predecessors, (57153), 26822 states have call successors, (26822), 3290 states have call predecessors, (26822), 3409 states have return successors, (29460), 26212 states have call predecessors, (29460), 26821 states have call successors, (29460) [2022-11-03 03:48:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73427 states to 73427 states and 113435 transitions. [2022-11-03 03:48:42,897 INFO L78 Accepts]: Start accepts. Automaton has 73427 states and 113435 transitions. Word has length 535 [2022-11-03 03:48:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:42,898 INFO L495 AbstractCegarLoop]: Abstraction has 73427 states and 113435 transitions. [2022-11-03 03:48:42,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 4 states have call successors, (82), 3 states have call predecessors, (82), 2 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2022-11-03 03:48:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 73427 states and 113435 transitions. [2022-11-03 03:48:43,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2022-11-03 03:48:43,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:43,015 INFO L195 NwaCegarLoop]: trace histogram [14, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:43,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:48:43,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:43,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:43,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1434333324, now seen corresponding path program 1 times [2022-11-03 03:48:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:48:43,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298425671] [2022-11-03 03:48:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms