./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS --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 f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:55:56,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:55:56,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:55:56,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:55:56,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:55:56,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:55:56,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:55:56,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:55:56,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:55:56,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:55:56,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:55:56,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:55:56,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:55:56,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:55:56,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:55:56,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:55:56,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:55:56,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:55:56,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:55:56,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:55:56,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:55:56,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:55:56,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:55:56,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:55:56,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:55:56,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:55:56,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:55:56,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:55:56,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:55:56,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:55:56,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:55:56,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:55:56,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:55:56,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:55:56,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:55:56,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:55:56,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:55:56,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:55:56,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:55:56,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:55:56,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:55:56,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:55:56,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:55:56,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:55:56,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:55:56,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:55:56,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:55:56,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:55:56,249 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:55:56,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:55:56,249 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:55:56,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:55:56,250 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:55:56,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:55:56,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:55:56,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:55:56,251 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:55:56,251 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:55:56,251 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:55:56,252 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:55:56,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:55:56,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:55:56,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:55:56,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:55:56,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:55:56,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:55:56,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:55:56,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:55:56,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:55:56,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:55:56,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:55:56,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:55:56,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:55:56,257 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:55:56,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:55:56,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:55:56,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:55:56,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:55:56,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:55:56,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:55:56,258 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_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2022-11-19 06:55:56,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:55:56,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:55:56,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:55:56,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:55:56,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:55:56,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-11-19 06:55:56,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/data/1849e1dcb/28406195e4ff4e76a9f01869c879f5ce/FLAG06bec48ab [2022-11-19 06:55:57,537 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:55:57,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-11-19 06:55:57,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/data/1849e1dcb/28406195e4ff4e76a9f01869c879f5ce/FLAG06bec48ab [2022-11-19 06:55:58,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/data/1849e1dcb/28406195e4ff4e76a9f01869c879f5ce [2022-11-19 06:55:58,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:55:58,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:55:58,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:55:58,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:55:58,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:55:58,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:55:58" (1/1) ... [2022-11-19 06:55:58,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a7dbe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:55:58, skipping insertion in model container [2022-11-19 06:55:58,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:55:58" (1/1) ... [2022-11-19 06:55:58,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:55:58,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:56:00,204 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2022-11-19 06:56:00,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:56:00,311 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:56:00,722 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2022-11-19 06:56:00,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:56:00,943 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:56:00,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00 WrapperNode [2022-11-19 06:56:00,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:56:00,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:56:00,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:56:00,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:56:00,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,252 INFO L138 Inliner]: procedures = 278, calls = 1469, calls flagged for inlining = 144, calls inlined = 134, statements flattened = 3645 [2022-11-19 06:56:01,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:56:01,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:56:01,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:56:01,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:56:01,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:56:01,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:56:01,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:56:01,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:56:01,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (1/1) ... [2022-11-19 06:56:01,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:56:01,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:56:01,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:56:01,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:56:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-19 06:56:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-19 06:56:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:56:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:56:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 06:56:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 06:56:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:56:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:56:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-11-19 06:56:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-11-19 06:56:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:56:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:56:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-19 06:56:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-19 06:56:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 06:56:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 06:56:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 06:56:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 06:56:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 06:56:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 06:56:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-11-19 06:56:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-11-19 06:56:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:56:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:56:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-11-19 06:56:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-11-19 06:56:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 06:56:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 06:56:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-11-19 06:56:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-11-19 06:56:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-19 06:56:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-19 06:56:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:56:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:56:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 06:56:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 06:56:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:56:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:56:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 06:56:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 06:56:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-11-19 06:56:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-11-19 06:56:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:56:01,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:56:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 06:56:01,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 06:56:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 06:56:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 06:56:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 06:56:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 06:56:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 06:56:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 06:56:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:56:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-19 06:56:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-19 06:56:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 06:56:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 06:56:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:56:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 06:56:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 06:56:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:56:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:56:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 06:56:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 06:56:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-11-19 06:56:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-11-19 06:56:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 06:56:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 06:56:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:56:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:56:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 06:56:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 06:56:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 06:56:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 06:56:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-11-19 06:56:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-11-19 06:56:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:56:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:56:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-11-19 06:56:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-11-19 06:56:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-11-19 06:56:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-11-19 06:56:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 06:56:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 06:56:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 06:56:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 06:56:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-11-19 06:56:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-11-19 06:56:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:56:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:56:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:56:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-11-19 06:56:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-11-19 06:56:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-11-19 06:56:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-11-19 06:56:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:56:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-11-19 06:56:01,643 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-11-19 06:56:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 06:56:01,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 06:56:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:56:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 06:56:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 06:56:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:56:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:56:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 06:56:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 06:56:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 06:56:01,645 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 06:56:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 06:56:01,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 06:56:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2022-11-19 06:56:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2022-11-19 06:56:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 06:56:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 06:56:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:56:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 06:56:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 06:56:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 06:56:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 06:56:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-11-19 06:56:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-11-19 06:56:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 06:56:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 06:56:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:56:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:56:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2022-11-19 06:56:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2022-11-19 06:56:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-11-19 06:56:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-11-19 06:56:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:56:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:56:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:56:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-11-19 06:56:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-11-19 06:56:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-11-19 06:56:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-11-19 06:56:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:56:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:56:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:56:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:56:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:56:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:56:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 06:56:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 06:56:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-19 06:56:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-19 06:56:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-11-19 06:56:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-11-19 06:56:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2022-11-19 06:56:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2022-11-19 06:56:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 06:56:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 06:56:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-19 06:56:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-19 06:56:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 06:56:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 06:56:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-11-19 06:56:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-11-19 06:56:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 06:56:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 06:56:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 06:56:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 06:56:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-11-19 06:56:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-11-19 06:56:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 06:56:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 06:56:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 06:56:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 06:56:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:56:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-19 06:56:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-19 06:56:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-19 06:56:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-19 06:56:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:56:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:56:02,385 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:56:02,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:56:02,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:56:05,502 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:56:06,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:56:06,382 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:56:06,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:56:06 BoogieIcfgContainer [2022-11-19 06:56:06,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:56:06,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:56:06,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:56:06,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:56:06,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:55:58" (1/3) ... [2022-11-19 06:56:06,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa826c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:56:06, skipping insertion in model container [2022-11-19 06:56:06,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:56:00" (2/3) ... [2022-11-19 06:56:06,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa826c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:56:06, skipping insertion in model container [2022-11-19 06:56:06,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:56:06" (3/3) ... [2022-11-19 06:56:06,396 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-11-19 06:56:06,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:56:06,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:56:06,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:56:06,495 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;@3273e558, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:56:06,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:56:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 1201 states, 699 states have (on average 1.3290414878397712) internal successors, (929), 726 states have internal predecessors, (929), 421 states have call successors, (421), 80 states have call predecessors, (421), 79 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) [2022-11-19 06:56:06,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-19 06:56:06,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:06,562 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:06,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:06,569 INFO L85 PathProgramCache]: Analyzing trace with hash 798618787, now seen corresponding path program 1 times [2022-11-19 06:56:06,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:56:06,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000438137] [2022-11-19 06:56:06,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:06,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:56:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-19 06:56:07,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:56:07,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000438137] [2022-11-19 06:56:07,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000438137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:56:07,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:56:07,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:56:07,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236090444] [2022-11-19 06:56:07,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:56:07,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:56:07,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:56:07,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:56:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:56:07,631 INFO L87 Difference]: Start difference. First operand has 1201 states, 699 states have (on average 1.3290414878397712) internal successors, (929), 726 states have internal predecessors, (929), 421 states have call successors, (421), 80 states have call predecessors, (421), 79 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 06:56:09,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:56:09,534 INFO L93 Difference]: Finished difference Result 3117 states and 4580 transitions. [2022-11-19 06:56:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:56:09,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 180 [2022-11-19 06:56:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:56:09,565 INFO L225 Difference]: With dead ends: 3117 [2022-11-19 06:56:09,566 INFO L226 Difference]: Without dead ends: 1913 [2022-11-19 06:56:09,578 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 [2022-11-19 06:56:09,581 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 1096 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:56:09,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 3343 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 06:56:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-11-19 06:56:09,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1908. [2022-11-19 06:56:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1130 states have (on average 1.315929203539823) internal successors, (1487), 1161 states have internal predecessors, (1487), 640 states have call successors, (640), 138 states have call predecessors, (640), 137 states have return successors, (643), 628 states have call predecessors, (643), 639 states have call successors, (643) [2022-11-19 06:56:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2770 transitions. [2022-11-19 06:56:09,870 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2770 transitions. Word has length 180 [2022-11-19 06:56:09,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:56:09,877 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2770 transitions. [2022-11-19 06:56:09,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 06:56:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2770 transitions. [2022-11-19 06:56:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-19 06:56:09,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:09,897 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:09,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:56:09,898 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:09,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:09,900 INFO L85 PathProgramCache]: Analyzing trace with hash -307238807, now seen corresponding path program 1 times [2022-11-19 06:56:09,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:56:09,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336997394] [2022-11-19 06:56:09,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:56:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-19 06:56:10,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:56:10,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336997394] [2022-11-19 06:56:10,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336997394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:56:10,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:56:10,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:56:10,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284102662] [2022-11-19 06:56:10,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:56:10,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:56:10,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:56:10,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:56:10,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:56:10,339 INFO L87 Difference]: Start difference. First operand 1908 states and 2770 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 06:56:12,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:56:12,097 INFO L93 Difference]: Finished difference Result 5039 states and 7334 transitions. [2022-11-19 06:56:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:56:12,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192 [2022-11-19 06:56:12,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:56:12,124 INFO L225 Difference]: With dead ends: 5039 [2022-11-19 06:56:12,124 INFO L226 Difference]: Without dead ends: 3155 [2022-11-19 06:56:12,135 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 [2022-11-19 06:56:12,141 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 1411 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:56:12,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 3898 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 06:56:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2022-11-19 06:56:12,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 3152. [2022-11-19 06:56:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 1869 states have (on average 1.3210272873194222) internal successors, (2469), 1923 states have internal predecessors, (2469), 1061 states have call successors, (1061), 222 states have call predecessors, (1061), 221 states have return successors, (1064), 1041 states have call predecessors, (1064), 1060 states have call successors, (1064) [2022-11-19 06:56:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4594 transitions. [2022-11-19 06:56:12,400 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4594 transitions. Word has length 192 [2022-11-19 06:56:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:56:12,401 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4594 transitions. [2022-11-19 06:56:12,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 06:56:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4594 transitions. [2022-11-19 06:56:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-19 06:56:12,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:12,410 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:12,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:56:12,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:12,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1618746079, now seen corresponding path program 1 times [2022-11-19 06:56:12,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:56:12,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610360567] [2022-11-19 06:56:12,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:12,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:56:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-19 06:56:12,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:56:12,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610360567] [2022-11-19 06:56:12,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610360567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:56:12,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:56:12,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:56:12,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138260496] [2022-11-19 06:56:12,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:56:12,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:56:12,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:56:12,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:56:12,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:56:12,779 INFO L87 Difference]: Start difference. First operand 3152 states and 4594 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 06:56:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:56:13,768 INFO L93 Difference]: Finished difference Result 6270 states and 9145 transitions. [2022-11-19 06:56:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:56:13,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 214 [2022-11-19 06:56:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:56:13,795 INFO L225 Difference]: With dead ends: 6270 [2022-11-19 06:56:13,795 INFO L226 Difference]: Without dead ends: 3152 [2022-11-19 06:56:13,808 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 [2022-11-19 06:56:13,816 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 1727 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:56:13,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1727 Valid, 1561 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:56:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-11-19 06:56:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2022-11-19 06:56:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 1869 states have (on average 1.3199571963616907) internal successors, (2467), 1923 states have internal predecessors, (2467), 1061 states have call successors, (1061), 222 states have call predecessors, (1061), 221 states have return successors, (1064), 1041 states have call predecessors, (1064), 1060 states have call successors, (1064) [2022-11-19 06:56:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4592 transitions. [2022-11-19 06:56:14,051 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4592 transitions. Word has length 214 [2022-11-19 06:56:14,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:56:14,052 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4592 transitions. [2022-11-19 06:56:14,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 06:56:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4592 transitions. [2022-11-19 06:56:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-19 06:56:14,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:14,062 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:14,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:56:14,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1514394578, now seen corresponding path program 1 times [2022-11-19 06:56:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:56:14,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472830467] [2022-11-19 06:56:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:56:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-11-19 06:56:14,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:56:14,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472830467] [2022-11-19 06:56:14,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472830467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:56:14,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:56:14,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:56:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516242696] [2022-11-19 06:56:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:56:14,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:56:14,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:56:14,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:56:14,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:56:14,612 INFO L87 Difference]: Start difference. First operand 3152 states and 4592 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:56:16,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:56:16,513 INFO L93 Difference]: Finished difference Result 7590 states and 11088 transitions. [2022-11-19 06:56:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:56:16,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 249 [2022-11-19 06:56:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:56:16,548 INFO L225 Difference]: With dead ends: 7590 [2022-11-19 06:56:16,548 INFO L226 Difference]: Without dead ends: 4472 [2022-11-19 06:56:16,571 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 [2022-11-19 06:56:16,573 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 1479 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 4249 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:56:16,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 4249 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 06:56:16,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2022-11-19 06:56:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4465. [2022-11-19 06:56:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4465 states, 2668 states have (on average 1.3215892053973013) internal successors, (3526), 2745 states have internal predecessors, (3526), 1486 states have call successors, (1486), 311 states have call predecessors, (1486), 310 states have return successors, (1489), 1459 states have call predecessors, (1489), 1485 states have call successors, (1489) [2022-11-19 06:56:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6501 transitions. [2022-11-19 06:56:16,976 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6501 transitions. Word has length 249 [2022-11-19 06:56:16,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:56:16,977 INFO L495 AbstractCegarLoop]: Abstraction has 4465 states and 6501 transitions. [2022-11-19 06:56:16,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:56:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6501 transitions. [2022-11-19 06:56:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-19 06:56:16,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:16,989 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:16,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:56:16,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:16,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash 258009099, now seen corresponding path program 1 times [2022-11-19 06:56:16,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:56:16,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418238367] [2022-11-19 06:56:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:56:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-11-19 06:56:17,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:56:17,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418238367] [2022-11-19 06:56:17,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418238367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:56:17,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:56:17,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:56:17,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028181404] [2022-11-19 06:56:17,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:56:17,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:56:17,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:56:17,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:56:17,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:56:17,473 INFO L87 Difference]: Start difference. First operand 4465 states and 6501 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-19 06:56:18,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:56:18,783 INFO L93 Difference]: Finished difference Result 8952 states and 13086 transitions. [2022-11-19 06:56:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:56:18,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 258 [2022-11-19 06:56:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:56:18,813 INFO L225 Difference]: With dead ends: 8952 [2022-11-19 06:56:18,813 INFO L226 Difference]: Without dead ends: 4521 [2022-11-19 06:56:18,833 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 [2022-11-19 06:56:18,834 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 10 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3113 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:56:18,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3113 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 06:56:18,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4521 states. [2022-11-19 06:56:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4521 to 4473. [2022-11-19 06:56:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4473 states, 2676 states have (on average 1.3206278026905829) internal successors, (3534), 2753 states have internal predecessors, (3534), 1486 states have call successors, (1486), 311 states have call predecessors, (1486), 310 states have return successors, (1489), 1459 states have call predecessors, (1489), 1485 states have call successors, (1489) [2022-11-19 06:56:19,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4473 states to 4473 states and 6509 transitions. [2022-11-19 06:56:19,165 INFO L78 Accepts]: Start accepts. Automaton has 4473 states and 6509 transitions. Word has length 258 [2022-11-19 06:56:19,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:56:19,169 INFO L495 AbstractCegarLoop]: Abstraction has 4473 states and 6509 transitions. [2022-11-19 06:56:19,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-19 06:56:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand 4473 states and 6509 transitions. [2022-11-19 06:56:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-19 06:56:19,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:19,186 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:19,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:56:19,186 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:19,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:19,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1634135008, now seen corresponding path program 1 times [2022-11-19 06:56:19,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:56:19,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672839387] [2022-11-19 06:56:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:56:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-11-19 06:56:20,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:56:20,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672839387] [2022-11-19 06:56:20,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672839387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:56:20,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682100735] [2022-11-19 06:56:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:20,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:56:20,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:56:20,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:56:20,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ace03c-3bf8-47fa-83ca-c44cb2693ce8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:56:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:56:21,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 2908 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:56:21,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:56:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-11-19 06:56:21,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:56:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-19 06:56:22,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682100735] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:56:22,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [184476533] [2022-11-19 06:56:22,070 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2022-11-19 06:56:22,071 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:56:22,080 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:56:22,086 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:56:22,088 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:56:24,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:24,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:25,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:25,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:25,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:25,665 INFO L217 Elim1Store]: Index analysis took 189 ms [2022-11-19 06:56:33,689 WARN L233 SmtUtils]: Spent 8.00s on a formula simplification. DAG size of input: 891 DAG size of output: 420 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:56:33,701 INFO L321 Elim1Store]: treesize reduction 2569, result has 21.6 percent of original size [2022-11-19 06:56:33,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 909 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 171 case distinctions, treesize of input 255 treesize of output 873 [2022-11-19 06:56:34,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 993 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 352 [2022-11-19 06:56:35,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:35,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:35,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:56:39,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 06:56:39,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:56:39,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 06:56:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:41,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 79 select indices, 79 select index equivalence classes, 288 disjoint index pairs (out of 3081 index pairs), introduced 79 new quantified variables, introduced 0 case distinctions, treesize of input 636 treesize of output 238 [2022-11-19 06:56:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:42,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 45 select indices, 45 select index equivalence classes, 993 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 136 [2022-11-19 06:56:42,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:42,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:42,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:42,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 46 select indices, 46 select index equivalence classes, 1035 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 139 [2022-11-19 06:56:48,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:48,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 45 select indices, 45 select index equivalence classes, 993 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 136 [2022-11-19 06:56:48,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:48,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:48,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:48,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 46 select indices, 46 select index equivalence classes, 1035 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 139 [2022-11-19 06:56:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:49,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 79 select indices, 79 select index equivalence classes, 288 disjoint index pairs (out of 3081 index pairs), introduced 79 new quantified variables, introduced 0 case distinctions, treesize of input 636 treesize of output 238 [2022-11-19 06:56:55,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:56:55,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:55,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:58,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:56:58,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:58,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:04,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:04,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:57:04,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:07,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:08,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:08,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:57:13,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:13,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:57:13,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:17,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:57:17,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:17,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:22,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:23,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:23,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:57:27,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:57:27,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:57:27,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:58:07,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:58:07,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:58:07,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:58:08,747 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:08,786 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:08,791 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:50,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:58:51,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:58:51,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:58:52,347 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:52,367 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:52,370 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:19,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:00:19,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:00:19,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:00:20,716 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:20,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:20,758 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:39,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:01:40,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:01:40,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:01:41,372 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:41,424 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:41,432 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:03:22,634 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1281 for LOIs [2022-11-19 07:03:25,583 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 146 for LOIs [2022-11-19 07:03:25,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:03:25,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:03:26,277 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 167 for LOIs [2022-11-19 07:03:26,300 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 172 for LOIs [2022-11-19 07:03:26,367 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:04:17,805 WARN L233 SmtUtils]: Spent 51.09s on a formula simplification. DAG size of input: 1777 DAG size of output: 1531 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:05:01,903 WARN L233 SmtUtils]: Spent 36.67s on a formula simplification. DAG size of input: 1383 DAG size of output: 1372 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:05:36,182 WARN L233 SmtUtils]: Spent 33.58s on a formula simplification. DAG size of input: 1387 DAG size of output: 1376 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:06:11,114 WARN L233 SmtUtils]: Spent 34.22s on a formula simplification. DAG size of input: 1402 DAG size of output: 1387 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:06:47,271 WARN L233 SmtUtils]: Spent 35.36s on a formula simplification. DAG size of input: 1406 DAG size of output: 1391 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:07:24,301 WARN L233 SmtUtils]: Spent 36.11s on a formula simplification. DAG size of input: 1421 DAG size of output: 1402 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:01,582 WARN L233 SmtUtils]: Spent 36.34s on a formula simplification. DAG size of input: 1425 DAG size of output: 1406 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:39,346 WARN L233 SmtUtils]: Spent 36.81s on a formula simplification. DAG size of input: 1440 DAG size of output: 1417 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:18,312 WARN L233 SmtUtils]: Spent 37.90s on a formula simplification. DAG size of input: 1443 DAG size of output: 1420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)