./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 5e519f3a 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_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/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_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 04:00:08,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:00:08,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:00:08,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:00:08,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:00:08,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:00:08,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:00:08,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:00:08,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:00:08,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:00:08,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:00:08,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:00:08,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:00:08,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:00:08,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:00:08,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:00:08,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:00:08,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:00:08,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:00:08,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:00:08,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:00:08,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:00:08,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:00:08,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:00:08,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:00:08,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:00:08,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:00:08,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:00:08,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:00:08,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:00:08,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:00:08,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:00:08,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:00:08,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:00:08,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:00:08,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:00:08,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:00:08,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:00:08,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:00:08,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:00:08,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:00:08,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:00:08,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:00:08,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:00:08,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:00:08,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:00:08,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:00:08,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:00:08,457 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:00:08,458 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:00:08,458 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:00:08,458 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:00:08,458 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:00:08,458 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:00:08,459 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:00:08,459 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:00:08,459 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:00:08,459 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:00:08,460 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:00:08,460 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:00:08,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:00:08,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:00:08,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:00:08,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:00:08,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:00:08,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:00:08,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:00:08,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:00:08,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:00:08,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:00:08,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:00:08,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:00:08,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:00:08,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:00:08,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:00:08,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:00:08,464 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:00:08,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:00:08,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:00:08,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:00:08,465 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_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2022-11-03 04:00:08,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:00:08,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:00:08,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:00:08,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:00:08,730 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:00:08,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 04:00:08,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/data/2d11aa654/ba09daa272514fa28b7dcd31e417de4b/FLAG30dea7b1c [2022-11-03 04:00:09,847 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:00:09,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/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 [2022-11-03 04:00:09,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/data/2d11aa654/ba09daa272514fa28b7dcd31e417de4b/FLAG30dea7b1c [2022-11-03 04:00:10,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/data/2d11aa654/ba09daa272514fa28b7dcd31e417de4b [2022-11-03 04:00:10,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:00:10,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:00:10,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:10,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:00:10,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:00:10,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:00:10" (1/1) ... [2022-11-03 04:00:10,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c47f500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:10, skipping insertion in model container [2022-11-03 04:00:10,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:00:10" (1/1) ... [2022-11-03 04:00:10,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:00:10,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:00:12,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/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] [2022-11-03 04:00:12,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:00:12,414 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:00:12,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/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] [2022-11-03 04:00:12,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:00:13,073 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:00:13,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13 WrapperNode [2022-11-03 04:00:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:13,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:00:13,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:00:13,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:00:13,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,367 INFO L138 Inliner]: procedures = 278, calls = 1469, calls flagged for inlining = 144, calls inlined = 134, statements flattened = 3585 [2022-11-03 04:00:13,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:00:13,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:00:13,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:00:13,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:00:13,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:00:13,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:00:13,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:00:13,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:00:13,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (1/1) ... [2022-11-03 04:00:13,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:00:13,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:13,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:00:13,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:00:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-03 04:00:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-03 04:00:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:00:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:00:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 04:00:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 04:00:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:00:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:00:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-11-03 04:00:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-11-03 04:00:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:00:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:00:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 04:00:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 04:00:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 04:00:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 04:00:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 04:00:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 04:00:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 04:00:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 04:00:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-11-03 04:00:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-11-03 04:00:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:00:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:00:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-11-03 04:00:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-11-03 04:00:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 04:00:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 04:00:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-11-03 04:00:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-11-03 04:00:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 04:00:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 04:00:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:00:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:00:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 04:00:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 04:00:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 04:00:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 04:00:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 04:00:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 04:00:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-11-03 04:00:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-11-03 04:00:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:00:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:00:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 04:00:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 04:00:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 04:00:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 04:00:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 04:00:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 04:00:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 04:00:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 04:00:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:00:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 04:00:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 04:00:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 04:00:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 04:00:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:00:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 04:00:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 04:00:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 04:00:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 04:00:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 04:00:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 04:00:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-11-03 04:00:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-11-03 04:00:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 04:00:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 04:00:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 04:00:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 04:00:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 04:00:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 04:00:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 04:00:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 04:00:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-11-03 04:00:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-11-03 04:00:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:00:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:00:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-11-03 04:00:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-11-03 04:00:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-11-03 04:00:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-11-03 04:00:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 04:00:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 04:00:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 04:00:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 04:00:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-11-03 04:00:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-11-03 04:00:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:00:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 04:00:13,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 04:00:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-11-03 04:00:13,815 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-11-03 04:00:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-11-03 04:00:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-11-03 04:00:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:00:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-11-03 04:00:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-11-03 04:00:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 04:00:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 04:00:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:00:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 04:00:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 04:00:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 04:00:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 04:00:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 04:00:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 04:00:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 04:00:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 04:00:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:00:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:00:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2022-11-03 04:00:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2022-11-03 04:00:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 04:00:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 04:00:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:00:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 04:00:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 04:00:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 04:00:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 04:00:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-11-03 04:00:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-11-03 04:00:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 04:00:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 04:00:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:00:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:00:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2022-11-03 04:00:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2022-11-03 04:00:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-11-03 04:00:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-11-03 04:00:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 04:00:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 04:00:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:00:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-11-03 04:00:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-11-03 04:00:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-11-03 04:00:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-11-03 04:00:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 04:00:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 04:00:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:00:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 04:00:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 04:00:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:00:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 04:00:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 04:00:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-03 04:00:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-03 04:00:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-11-03 04:00:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-11-03 04:00:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2022-11-03 04:00:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2022-11-03 04:00:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 04:00:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 04:00:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-03 04:00:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-03 04:00:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 04:00:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 04:00:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-11-03 04:00:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-11-03 04:00:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 04:00:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 04:00:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 04:00:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 04:00:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-11-03 04:00:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-11-03 04:00:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 04:00:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 04:00:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 04:00:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 04:00:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:00:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 04:00:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 04:00:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 04:00:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 04:00:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:00:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:00:14,618 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:00:14,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:00:15,194 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:00:17,857 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:00:18,719 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:00:18,719 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 04:00:18,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:00:18 BoogieIcfgContainer [2022-11-03 04:00:18,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:00:18,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:00:18,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:00:18,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:00:18,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:00:10" (1/3) ... [2022-11-03 04:00:18,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdc8b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:00:18, skipping insertion in model container [2022-11-03 04:00:18,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:13" (2/3) ... [2022-11-03 04:00:18,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdc8b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:00:18, skipping insertion in model container [2022-11-03 04:00:18,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:00:18" (3/3) ... [2022-11-03 04:00:18,736 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-11-03 04:00:18,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:00:18,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:00:18,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:00:18,887 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;@3cb046e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:00:18,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:00:18,897 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) [2022-11-03 04:00:18,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-03 04:00:18,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:18,953 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] [2022-11-03 04:00:18,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:18,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash -98582428, now seen corresponding path program 1 times [2022-11-03 04:00:18,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:18,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611378319] [2022-11-03 04:00:18,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-03 04:00:19,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611378319] [2022-11-03 04:00:19,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611378319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:19,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:19,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:00:19,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49484740] [2022-11-03 04:00:19,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:19,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:19,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:19,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:19,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:19,971 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) [2022-11-03 04:00:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:21,438 INFO L93 Difference]: Finished difference Result 3117 states and 4580 transitions. [2022-11-03 04:00:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:21,441 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 [2022-11-03 04:00:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:21,478 INFO L225 Difference]: With dead ends: 3117 [2022-11-03 04:00:21,479 INFO L226 Difference]: Without dead ends: 1913 [2022-11-03 04:00:21,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:21,503 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 1096 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:21,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 3342 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 04:00:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-11-03 04:00:21,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1908. [2022-11-03 04:00:21,849 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) [2022-11-03 04:00:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2770 transitions. [2022-11-03 04:00:21,868 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2770 transitions. Word has length 180 [2022-11-03 04:00:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:21,874 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2770 transitions. [2022-11-03 04:00:21,875 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) [2022-11-03 04:00:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2770 transitions. [2022-11-03 04:00:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 04:00:21,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:21,894 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] [2022-11-03 04:00:21,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:00:21,894 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:21,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash -719496505, now seen corresponding path program 1 times [2022-11-03 04:00:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:21,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346896475] [2022-11-03 04:00:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-03 04:00:22,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:22,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346896475] [2022-11-03 04:00:22,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346896475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:22,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:22,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:00:22,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963154634] [2022-11-03 04:00:22,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:22,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:22,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:22,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:22,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:22,384 INFO L87 Difference]: Start difference. First operand 1908 states and 2770 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (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) [2022-11-03 04:00:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:24,431 INFO L93 Difference]: Finished difference Result 5039 states and 7334 transitions. [2022-11-03 04:00:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:24,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (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 191 [2022-11-03 04:00:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:24,454 INFO L225 Difference]: With dead ends: 5039 [2022-11-03 04:00:24,454 INFO L226 Difference]: Without dead ends: 3155 [2022-11-03 04:00:24,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:24,469 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 1411 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:24,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 3897 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 04:00:24,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2022-11-03 04:00:24,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 3152. [2022-11-03 04:00:24,632 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) [2022-11-03 04:00:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4594 transitions. [2022-11-03 04:00:24,654 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4594 transitions. Word has length 191 [2022-11-03 04:00:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:24,655 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4594 transitions. [2022-11-03 04:00:24,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (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) [2022-11-03 04:00:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4594 transitions. [2022-11-03 04:00:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-03 04:00:24,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:24,663 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] [2022-11-03 04:00:24,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:00:24,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:24,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:24,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1461386759, now seen corresponding path program 1 times [2022-11-03 04:00:24,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:24,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303730638] [2022-11-03 04:00:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:24,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-03 04:00:25,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:25,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303730638] [2022-11-03 04:00:25,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303730638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:25,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:25,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:00:25,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110283259] [2022-11-03 04:00:25,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:25,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:25,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:25,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:25,062 INFO L87 Difference]: Start difference. First operand 3152 states and 4594 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-11-03 04:00:26,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:26,764 INFO L93 Difference]: Finished difference Result 6270 states and 9145 transitions. [2022-11-03 04:00:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:26,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 213 [2022-11-03 04:00:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:26,789 INFO L225 Difference]: With dead ends: 6270 [2022-11-03 04:00:26,789 INFO L226 Difference]: Without dead ends: 3152 [2022-11-03 04:00:26,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:26,807 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 1727 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:26,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1727 Valid, 1561 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 04:00:26,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-11-03 04:00:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2022-11-03 04:00:27,061 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) [2022-11-03 04:00:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4592 transitions. [2022-11-03 04:00:27,085 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4592 transitions. Word has length 213 [2022-11-03 04:00:27,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:27,086 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4592 transitions. [2022-11-03 04:00:27,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-11-03 04:00:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4592 transitions. [2022-11-03 04:00:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-03 04:00:27,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:27,095 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] [2022-11-03 04:00:27,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:00:27,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1456374416, now seen corresponding path program 1 times [2022-11-03 04:00:27,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:27,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223573228] [2022-11-03 04:00:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-11-03 04:00:27,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:27,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223573228] [2022-11-03 04:00:27,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223573228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:27,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:27,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:00:27,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464474328] [2022-11-03 04:00:27,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:27,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:27,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:27,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:27,579 INFO L87 Difference]: Start difference. First operand 3152 states and 4592 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-03 04:00:29,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:29,663 INFO L93 Difference]: Finished difference Result 7590 states and 11088 transitions. [2022-11-03 04:00:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:29,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 248 [2022-11-03 04:00:29,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:29,693 INFO L225 Difference]: With dead ends: 7590 [2022-11-03 04:00:29,693 INFO L226 Difference]: Without dead ends: 4472 [2022-11-03 04:00:29,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:29,710 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 1480 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:29,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 4249 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 04:00:29,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2022-11-03 04:00:29,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4465. [2022-11-03 04:00:29,994 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) [2022-11-03 04:00:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6501 transitions. [2022-11-03 04:00:30,017 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6501 transitions. Word has length 248 [2022-11-03 04:00:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:30,018 INFO L495 AbstractCegarLoop]: Abstraction has 4465 states and 6501 transitions. [2022-11-03 04:00:30,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-03 04:00:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6501 transitions. [2022-11-03 04:00:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-03 04:00:30,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:30,031 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] [2022-11-03 04:00:30,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:00:30,032 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:30,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:30,032 INFO L85 PathProgramCache]: Analyzing trace with hash 240103717, now seen corresponding path program 1 times [2022-11-03 04:00:30,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:30,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046505405] [2022-11-03 04:00:30,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:30,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-11-03 04:00:31,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:31,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046505405] [2022-11-03 04:00:31,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046505405] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:00:31,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061707140] [2022-11-03 04:00:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:31,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:31,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:31,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:31,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:00:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:32,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:00:32,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2022-11-03 04:00:32,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:00:32,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061707140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:32,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:00:32,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-03 04:00:32,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352365817] [2022-11-03 04:00:32,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:32,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:32,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:32,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:32,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:00:32,415 INFO L87 Difference]: Start difference. First operand 4465 states and 6501 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-11-03 04:00:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:33,807 INFO L93 Difference]: Finished difference Result 8952 states and 13086 transitions. [2022-11-03 04:00:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:33,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 259 [2022-11-03 04:00:33,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:33,835 INFO L225 Difference]: With dead ends: 8952 [2022-11-03 04:00:33,836 INFO L226 Difference]: Without dead ends: 4521 [2022-11-03 04:00:33,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:00:33,905 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 10 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:33,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3111 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 04:00:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4521 states. [2022-11-03 04:00:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4521 to 4473. [2022-11-03 04:00:34,263 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) [2022-11-03 04:00:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4473 states to 4473 states and 6509 transitions. [2022-11-03 04:00:34,300 INFO L78 Accepts]: Start accepts. Automaton has 4473 states and 6509 transitions. Word has length 259 [2022-11-03 04:00:34,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:34,305 INFO L495 AbstractCegarLoop]: Abstraction has 4473 states and 6509 transitions. [2022-11-03 04:00:34,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-11-03 04:00:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4473 states and 6509 transitions. [2022-11-03 04:00:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-03 04:00:34,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:34,324 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, 1] [2022-11-03 04:00:34,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:34,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:34,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:34,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1974455808, now seen corresponding path program 1 times [2022-11-03 04:00:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:34,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174741464] [2022-11-03 04:00:34,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:34,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-03 04:00:35,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:35,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174741464] [2022-11-03 04:00:35,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174741464] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:00:35,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738084600] [2022-11-03 04:00:35,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:35,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:35,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:35,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:35,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29a1a1-1d12-4a88-948d-41f91e04d399/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:00:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:36,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 2909 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 04:00:36,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-11-03 04:00:36,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-03 04:00:36,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738084600] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:36,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [831185333] [2022-11-03 04:00:36,495 INFO L159 IcfgInterpreter]: Started Sifa with 138 locations of interest [2022-11-03 04:00:36,496 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:36,500 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:36,505 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:36,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:38,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:38,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:38,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:39,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:39,607 INFO L244 Elim1Store]: Index analysis took 292 ms [2022-11-03 04:00:51,312 WARN L234 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 891 DAG size of output: 420 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 04:00:51,323 INFO L356 Elim1Store]: treesize reduction 2569, result has 21.6 percent of original size [2022-11-03 04:00:51,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:52,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:52,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:52,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:52,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:52,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:52,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:53,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:53,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:56,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 04:00:56,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:56,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:58,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:58,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:59,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:59,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:00:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:59,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:05,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:06,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:06,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:06,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:11,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:11,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:11,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:14,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:14,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:14,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:20,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:20,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:20,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:23,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:23,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:23,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:28,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:28,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:29,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:31,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:32,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:32,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:37,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:37,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:38,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:40,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:41,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:01:41,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:19,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:20,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:20,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:21,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:02:21,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:02:21,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:01,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:01,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:02,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:03,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:03,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:03,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:08,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:09,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:09,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:04:11,282 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1281 for LOIs [2022-11-03 04:04:14,348 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 146 for LOIs [2022-11-03 04:04:14,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 04:04:14,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:04:14,858 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 165 for LOIs [2022-11-03 04:04:14,871 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 167 for LOIs [2022-11-03 04:04:14,912 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:05:33,604 WARN L234 SmtUtils]: Spent 1.31m on a formula simplification. DAG size of input: 1777 DAG size of output: 1531 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:06:24,930 WARN L234 SmtUtils]: Spent 44.86s on a formula simplification. DAG size of input: 1383 DAG size of output: 1372 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:07:42,907 WARN L234 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 1387 DAG size of output: 1376 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:09:45,931 WARN L234 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 1402 DAG size of output: 1387 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:12:25,491 WARN L234 SmtUtils]: Spent 2.65m on a formula simplification. DAG size of input: 1406 DAG size of output: 1391 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)