./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.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_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/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_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/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_da766a0b-5590-4e73-8107-41e9543f0e7b/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 a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 --- 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 02:23:16,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:23:16,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:23:16,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:23:16,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:23:16,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:23:16,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:23:16,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:23:16,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:23:16,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:23:16,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:23:16,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:23:16,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:23:16,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:23:16,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:23:16,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:23:16,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:23:16,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:23:16,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:23:16,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:23:16,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:23:16,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:23:16,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:23:16,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:23:16,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:23:16,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:23:16,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:23:16,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:23:16,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:23:16,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:23:16,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:23:16,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:23:16,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:23:16,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:23:16,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:23:16,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:23:16,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:23:16,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:23:16,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:23:16,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:23:16,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:23:16,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:23:16,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:23:16,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:23:16,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:23:16,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:23:16,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:23:16,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:23:16,891 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:23:16,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:23:16,892 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:23:16,892 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:23:16,892 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:23:16,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:23:16,893 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:23:16,893 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:23:16,893 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:23:16,894 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:23:16,894 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:23:16,894 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:23:16,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:23:16,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:23:16,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:23:16,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:23:16,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:23:16,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:23:16,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:23:16,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:23:16,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:23:16,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:23:16,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:23:16,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:23:16,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:23:16,898 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:23:16,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:23:16,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:23:16,899 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:23:16,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:23:16,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:23:16,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:23:16,900 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_da766a0b-5590-4e73-8107-41e9543f0e7b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 [2022-11-03 02:23:17,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:23:17,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:23:17,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:23:17,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:23:17,209 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:23:17,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-03 02:23:17,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/data/855d68ab8/a3f61e3004ea418baa51b8c209308614/FLAG4eb29a23b [2022-11-03 02:23:18,284 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:23:18,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-03 02:23:18,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/data/855d68ab8/a3f61e3004ea418baa51b8c209308614/FLAG4eb29a23b [2022-11-03 02:23:18,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/data/855d68ab8/a3f61e3004ea418baa51b8c209308614 [2022-11-03 02:23:18,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:23:18,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:23:18,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:23:18,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:23:18,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:23:18,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:23:18" (1/1) ... [2022-11-03 02:23:18,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201c3d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:18, skipping insertion in model container [2022-11-03 02:23:18,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:23:18" (1/1) ... [2022-11-03 02:23:18,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:23:18,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:23:20,348 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_da766a0b-5590-4e73-8107-41e9543f0e7b/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2022-11-03 02:23:22,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:23:22,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:23:22,329 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_da766a0b-5590-4e73-8107-41e9543f0e7b/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2022-11-03 02:23:22,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:23:22,936 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:23:22,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22 WrapperNode [2022-11-03 02:23:22,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:23:22,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:23:22,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:23:22,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:23:22,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,569 INFO L138 Inliner]: procedures = 398, calls = 3556, calls flagged for inlining = 231, calls inlined = 208, statements flattened = 8350 [2022-11-03 02:23:23,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:23:23,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:23:23,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:23:23,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:23:23,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:23,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:24,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:24,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:24,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:23:24,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:23:24,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:23:24,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:23:24,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (1/1) ... [2022-11-03 02:23:24,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:23:24,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:23:24,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:23:24,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da766a0b-5590-4e73-8107-41e9543f0e7b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:23:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:23:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:23:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 02:23:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 02:23:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:23:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:23:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:23:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:23:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:23:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:23:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 02:23:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 02:23:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:23:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:23:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:23:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-03 02:23:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-03 02:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2022-11-03 02:23:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2022-11-03 02:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2022-11-03 02:23:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2022-11-03 02:23:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-03 02:23:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-03 02:23:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 02:23:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 02:23:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:23:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:23:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-03 02:23:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-03 02:23:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2022-11-03 02:23:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2022-11-03 02:23:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:23:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:23:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:23:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:23:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 02:23:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 02:23:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:23:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:23:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:23:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:23:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-03 02:23:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2022-11-03 02:23:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2022-11-03 02:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:23:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2022-11-03 02:23:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2022-11-03 02:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:23:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:23:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:23:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:23:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2022-11-03 02:23:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2022-11-03 02:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:23:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:23:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:23:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:23:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:23:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:23:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:23:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:23:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 02:23:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 02:23:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:23:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:23:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2022-11-03 02:23:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2022-11-03 02:23:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:23:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:23:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2022-11-03 02:23:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2022-11-03 02:23:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_remove [2022-11-03 02:23:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_remove [2022-11-03 02:23:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:23:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:23:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2022-11-03 02:23:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2022-11-03 02:23:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:23:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:23:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:23:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:23:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:23:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:23:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:23:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2022-11-03 02:23:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2022-11-03 02:23:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-03 02:23:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-03 02:23:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2022-11-03 02:23:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2022-11-03 02:23:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:23:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:23:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:23:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:23:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2022-11-03 02:23:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2022-11-03 02:23:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2022-11-03 02:23:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2022-11-03 02:23:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:23:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:23:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:23:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:23:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:23:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:23:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:23:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:23:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 02:23:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 02:23:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:23:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:23:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:23:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:23:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:23:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:23:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 02:23:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 02:23:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:23:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:23:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2022-11-03 02:23:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2022-11-03 02:23:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2022-11-03 02:23:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2022-11-03 02:23:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2022-11-03 02:23:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2022-11-03 02:23:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:23:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:23:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 02:23:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 02:23:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2022-11-03 02:23:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2022-11-03 02:23:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:23:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:23:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:23:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:23:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:23:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:23:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:23:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:23:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-03 02:23:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-03 02:23:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:23:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:23:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:23:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2022-11-03 02:23:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2022-11-03 02:23:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:23:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:23:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:23:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 02:23:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 02:23:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:23:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2022-11-03 02:23:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2022-11-03 02:23:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2022-11-03 02:23:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2022-11-03 02:23:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:23:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:23:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 02:23:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 02:23:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:23:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:23:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:23:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:23:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:23:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:23:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2022-11-03 02:23:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2022-11-03 02:23:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2022-11-03 02:23:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2022-11-03 02:23:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:23:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:23:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 02:23:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 02:23:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 02:23:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 02:23:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:23:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:23:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-11-03 02:23:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-11-03 02:23:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2022-11-03 02:23:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2022-11-03 02:23:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:23:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:23:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:23:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:23:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2022-11-03 02:23:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2022-11-03 02:23:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:23:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:23:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:23:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:23:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:23:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:23:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:23:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2022-11-03 02:23:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2022-11-03 02:23:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2022-11-03 02:23:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2022-11-03 02:23:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2022-11-03 02:23:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2022-11-03 02:23:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:23:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:23:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2022-11-03 02:23:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2022-11-03 02:23:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 02:23:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 02:23:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2022-11-03 02:23:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2022-11-03 02:23:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 02:23:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 02:23:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2022-11-03 02:23:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2022-11-03 02:23:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 02:23:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 02:23:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:23:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:23:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 02:23:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 02:23:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2022-11-03 02:23:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2022-11-03 02:23:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:23:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2022-11-03 02:23:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2022-11-03 02:23:25,675 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:23:25,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:23:26,140 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:35:18,962 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:35:24,175 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:35:24,176 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:35:24,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:35:24 BoogieIcfgContainer [2022-11-03 02:35:24,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:35:24,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:35:24,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:35:24,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:35:24,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:23:18" (1/3) ... [2022-11-03 02:35:24,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c29e655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:35:24, skipping insertion in model container [2022-11-03 02:35:24,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:22" (2/3) ... [2022-11-03 02:35:24,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c29e655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:35:24, skipping insertion in model container [2022-11-03 02:35:24,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:35:24" (3/3) ... [2022-11-03 02:35:24,210 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-03 02:35:24,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:35:24,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:35:24,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:35:24,343 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;@47bf36fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:35:24,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:35:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 1785 states, 1119 states have (on average 1.3297587131367292) internal successors, (1488), 1152 states have internal predecessors, (1488), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) [2022-11-03 02:35:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-03 02:35:24,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:24,373 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-03 02:35:24,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:24,380 INFO L85 PathProgramCache]: Analyzing trace with hash -470671062, now seen corresponding path program 1 times [2022-11-03 02:35:24,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:24,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146529488] [2022-11-03 02:35:24,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:24,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-03 02:35:27,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:27,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146529488] [2022-11-03 02:35:27,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146529488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:35:27,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:35:27,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:35:27,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65771892] [2022-11-03 02:35:27,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:35:27,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:35:27,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:27,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:35:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:35:27,708 INFO L87 Difference]: Start difference. First operand has 1785 states, 1119 states have (on average 1.3297587131367292) internal successors, (1488), 1152 states have internal predecessors, (1488), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 02:35:29,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:33,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:35,530 WARN L539 Checker$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 02:35:37,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:41,039 WARN L539 Checker$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 02:35:43,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:46,686 WARN L539 Checker$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 02:35:49,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:51,481 WARN L539 Checker$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 02:35:53,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:54,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:54,427 INFO L93 Difference]: Finished difference Result 5021 states and 7353 transitions. [2022-11-03 02:35:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:35:54,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2022-11-03 02:35:54,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:54,481 INFO L225 Difference]: With dead ends: 5021 [2022-11-03 02:35:54,481 INFO L226 Difference]: Without dead ends: 3227 [2022-11-03 02:35:54,506 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 02:35:54,509 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 2117 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 4996 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:54,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2129 Valid, 4996 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 614 Invalid, 10 Unknown, 0 Unchecked, 26.3s Time] [2022-11-03 02:35:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2022-11-03 02:35:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 3222. [2022-11-03 02:35:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 2029 states have (on average 1.3173977328733366) internal successors, (2673), 2075 states have internal predecessors, (2673), 990 states have call successors, (990), 204 states have call predecessors, (990), 202 states have return successors, (999), 976 states have call predecessors, (999), 989 states have call successors, (999) [2022-11-03 02:35:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 4662 transitions. [2022-11-03 02:35:54,797 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 4662 transitions. Word has length 83 [2022-11-03 02:35:54,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:54,800 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 4662 transitions. [2022-11-03 02:35:54,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 02:35:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 4662 transitions. [2022-11-03 02:35:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 02:35:54,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:54,807 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-03 02:35:54,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:35:54,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash -419099335, now seen corresponding path program 1 times [2022-11-03 02:35:54,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:54,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725129707] [2022-11-03 02:35:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-03 02:35:58,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:58,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725129707] [2022-11-03 02:35:58,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725129707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:35:58,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:35:58,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:35:58,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083591189] [2022-11-03 02:35:58,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:35:58,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:35:58,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:58,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:35:58,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:35:58,427 INFO L87 Difference]: Start difference. First operand 3222 states and 4662 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:36:00,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:04,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:07,480 WARN L539 Checker$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 02:36:11,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:13,508 WARN L539 Checker$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 02:36:15,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:19,363 WARN L539 Checker$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 02:36:22,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:24,342 WARN L539 Checker$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 02:36:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:36:25,447 INFO L93 Difference]: Finished difference Result 6156 states and 8947 transitions. [2022-11-03 02:36:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:36:25,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 85 [2022-11-03 02:36:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:36:25,503 INFO L225 Difference]: With dead ends: 6156 [2022-11-03 02:36:25,503 INFO L226 Difference]: Without dead ends: 6151 [2022-11-03 02:36:25,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:36:25,512 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 2112 mSDsluCounter, 5592 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 7712 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:36:25,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 7712 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 929 Invalid, 9 Unknown, 0 Unchecked, 26.7s Time] [2022-11-03 02:36:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2022-11-03 02:36:25,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6140. [2022-11-03 02:36:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6140 states, 3864 states have (on average 1.318840579710145) internal successors, (5096), 3962 states have internal predecessors, (5096), 1880 states have call successors, (1880), 399 states have call predecessors, (1880), 395 states have return successors, (1952), 1844 states have call predecessors, (1952), 1879 states have call successors, (1952) [2022-11-03 02:36:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6140 states to 6140 states and 8928 transitions. [2022-11-03 02:36:25,898 INFO L78 Accepts]: Start accepts. Automaton has 6140 states and 8928 transitions. Word has length 85 [2022-11-03 02:36:25,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:36:25,899 INFO L495 AbstractCegarLoop]: Abstraction has 6140 states and 8928 transitions. [2022-11-03 02:36:25,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:36:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6140 states and 8928 transitions. [2022-11-03 02:36:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-03 02:36:25,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:36:25,912 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-03 02:36:25,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:36:25,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:36:25,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:36:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash -246831228, now seen corresponding path program 1 times [2022-11-03 02:36:25,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:36:25,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264949095] [2022-11-03 02:36:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:36:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:36:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:36:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-03 02:36:27,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:36:27,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264949095] [2022-11-03 02:36:27,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264949095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:36:27,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:36:27,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:36:27,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860098179] [2022-11-03 02:36:27,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:36:27,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:36:27,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:36:27,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:36:27,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:36:27,867 INFO L87 Difference]: Start difference. First operand 6140 states and 8928 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:36:30,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:33,261 WARN L539 Checker$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 02:36:35,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:37,855 WARN L539 Checker$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 02:36:41,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:43,381 WARN L539 Checker$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 02:36:46,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:49,591 WARN L539 Checker$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 02:36:51,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:53,877 WARN L539 Checker$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 02:36:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:36:54,654 INFO L93 Difference]: Finished difference Result 17824 states and 25919 transitions. [2022-11-03 02:36:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:36:54,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2022-11-03 02:36:54,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:36:54,752 INFO L225 Difference]: With dead ends: 17824 [2022-11-03 02:36:54,752 INFO L226 Difference]: Without dead ends: 11709 [2022-11-03 02:36:54,797 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 02:36:54,798 INFO L413 NwaCegarLoop]: 2760 mSDtfsCounter, 2016 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 4995 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:36:54,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 4995 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 10 Unknown, 0 Unchecked, 26.3s Time] [2022-11-03 02:36:54,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11709 states. [2022-11-03 02:36:55,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11709 to 11698. [2022-11-03 02:36:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11698 states, 7366 states have (on average 1.319033396687483) internal successors, (9716), 7550 states have internal predecessors, (9716), 3570 states have call successors, (3570), 769 states have call predecessors, (3570), 761 states have return successors, (3728), 3496 states have call predecessors, (3728), 3569 states have call successors, (3728) [2022-11-03 02:36:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11698 states to 11698 states and 17014 transitions. [2022-11-03 02:36:55,459 INFO L78 Accepts]: Start accepts. Automaton has 11698 states and 17014 transitions. Word has length 152 [2022-11-03 02:36:55,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:36:55,460 INFO L495 AbstractCegarLoop]: Abstraction has 11698 states and 17014 transitions. [2022-11-03 02:36:55,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:36:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 11698 states and 17014 transitions. [2022-11-03 02:36:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-03 02:36:55,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:36:55,497 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 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] [2022-11-03 02:36:55,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:36:55,497 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:36:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:36:55,498 INFO L85 PathProgramCache]: Analyzing trace with hash 305753068, now seen corresponding path program 1 times [2022-11-03 02:36:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:36:55,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239208793] [2022-11-03 02:36:55,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:36:55,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:36:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:00,290 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-03 02:37:00,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:00,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239208793] [2022-11-03 02:37:00,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239208793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:00,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:00,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:37:00,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146497724] [2022-11-03 02:37:00,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:00,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:37:00,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:00,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:37:00,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:37:00,293 INFO L87 Difference]: Start difference. First operand 11698 states and 17014 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:37:02,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:06,234 WARN L539 Checker$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 02:37:08,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:11,329 WARN L539 Checker$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 02:37:13,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:17,220 WARN L539 Checker$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 02:37:19,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:22,886 WARN L539 Checker$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 02:37:25,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:27,168 WARN L539 Checker$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 02:37:29,353 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 02:37:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:30,801 INFO L93 Difference]: Finished difference Result 17594 states and 25642 transitions. [2022-11-03 02:37:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:37:30,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 205 [2022-11-03 02:37:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:30,914 INFO L225 Difference]: With dead ends: 17594 [2022-11-03 02:37:30,914 INFO L226 Difference]: Without dead ends: 17589 [2022-11-03 02:37:30,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:37:30,926 INFO L413 NwaCegarLoop]: 2946 mSDtfsCounter, 2338 mSDsluCounter, 5839 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:30,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 8156 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 981 Invalid, 11 Unknown, 0 Unchecked, 30.0s Time] [2022-11-03 02:37:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17589 states. [2022-11-03 02:37:31,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17589 to 17573. [2022-11-03 02:37:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17573 states, 11066 states have (on average 1.319266220856678) internal successors, (14599), 11347 states have internal predecessors, (14599), 5364 states have call successors, (5364), 1154 states have call predecessors, (5364), 1142 states have return successors, (5651), 5248 states have call predecessors, (5651), 5363 states have call successors, (5651) [2022-11-03 02:37:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17573 states to 17573 states and 25614 transitions. [2022-11-03 02:37:31,863 INFO L78 Accepts]: Start accepts. Automaton has 17573 states and 25614 transitions. Word has length 205 [2022-11-03 02:37:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:31,865 INFO L495 AbstractCegarLoop]: Abstraction has 17573 states and 25614 transitions. [2022-11-03 02:37:31,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:37:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 17573 states and 25614 transitions. [2022-11-03 02:37:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-03 02:37:31,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:31,911 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:37:31,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:37:31,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:31,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:31,913 INFO L85 PathProgramCache]: Analyzing trace with hash -48223286, now seen corresponding path program 1 times [2022-11-03 02:37:31,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:31,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746585977] [2022-11-03 02:37:31,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:31,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-11-03 02:37:34,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:34,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746585977] [2022-11-03 02:37:34,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746585977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:34,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:34,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:37:34,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555588376] [2022-11-03 02:37:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:34,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:37:34,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:34,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:37:34,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:37:34,045 INFO L87 Difference]: Start difference. First operand 17573 states and 25614 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-03 02:37:36,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:39,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:41,797 WARN L539 Checker$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 02:37:44,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:46,474 WARN L539 Checker$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 02:37:52,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:54,879 WARN L539 Checker$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 02:37:57,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:59,076 WARN L539 Checker$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 02:38:00,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:00,303 INFO L93 Difference]: Finished difference Result 41758 states and 60649 transitions. [2022-11-03 02:38:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:00,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 310 [2022-11-03 02:38:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:00,456 INFO L225 Difference]: With dead ends: 41758 [2022-11-03 02:38:00,457 INFO L226 Difference]: Without dead ends: 24210 [2022-11-03 02:38:00,560 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 02:38:00,562 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 1541 mSDsluCounter, 2442 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 6 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 4940 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:00,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 4940 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 740 Invalid, 9 Unknown, 0 Unchecked, 25.5s Time] [2022-11-03 02:38:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24210 states. [2022-11-03 02:38:02,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24210 to 24192. [2022-11-03 02:38:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24192 states, 15235 states have (on average 1.3159829340334757) internal successors, (20049), 15674 states have internal predecessors, (20049), 7308 states have call successors, (7308), 1667 states have call predecessors, (7308), 1648 states have return successors, (7686), 7115 states have call predecessors, (7686), 7307 states have call successors, (7686) [2022-11-03 02:38:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24192 states to 24192 states and 35043 transitions. [2022-11-03 02:38:02,379 INFO L78 Accepts]: Start accepts. Automaton has 24192 states and 35043 transitions. Word has length 310 [2022-11-03 02:38:02,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:02,380 INFO L495 AbstractCegarLoop]: Abstraction has 24192 states and 35043 transitions. [2022-11-03 02:38:02,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-03 02:38:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 24192 states and 35043 transitions. [2022-11-03 02:38:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-03 02:38:02,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:02,417 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 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] [2022-11-03 02:38:02,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:38:02,418 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:02,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash 209014385, now seen corresponding path program 1 times [2022-11-03 02:38:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:02,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045111580] [2022-11-03 02:38:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms