./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--packetengines--hamachi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/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_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/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--packetengines--hamachi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/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_34b19c61-ec27-48e8-9746-f4aadca36c7f/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 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:39:30,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:39:30,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:39:30,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:39:30,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:39:30,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:39:30,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:39:30,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:39:30,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:39:30,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:39:30,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:39:30,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:39:30,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:39:30,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:39:30,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:39:30,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:39:30,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:39:30,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:39:30,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:39:30,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:39:30,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:39:30,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:39:30,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:39:30,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:39:30,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:39:30,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:39:30,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:39:30,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:39:30,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:39:30,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:39:30,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:39:30,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:39:30,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:39:30,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:39:30,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:39:30,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:39:30,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:39:30,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:39:30,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:39:30,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:39:30,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:39:30,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:39:30,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:39:30,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:39:30,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:39:30,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:39:30,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:39:30,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:39:30,660 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:39:30,661 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:39:30,661 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:39:30,661 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:39:30,662 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:39:30,662 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:39:30,662 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:39:30,662 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:39:30,663 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:39:30,663 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:39:30,663 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:39:30,664 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:39:30,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:39:30,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:39:30,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:39:30,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:39:30,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:39:30,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:39:30,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:39:30,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:39:30,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:39:30,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:39:30,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:39:30,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:39:30,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:39:30,668 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:39:30,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:39:30,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:39:30,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:39:30,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:39:30,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:39:30,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:39:30,670 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_34b19c61-ec27-48e8-9746-f4aadca36c7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 [2022-11-03 03:39:31,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:39:31,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:39:31,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:39:31,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:39:31,053 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:39:31,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2022-11-03 03:39:31,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/data/f4b28693e/eb89cd96c2ba4e46aa8c46fe1f21d8c7/FLAGc39015cd2 [2022-11-03 03:39:32,326 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:39:32,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2022-11-03 03:39:32,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/data/f4b28693e/eb89cd96c2ba4e46aa8c46fe1f21d8c7/FLAGc39015cd2 [2022-11-03 03:39:32,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/data/f4b28693e/eb89cd96c2ba4e46aa8c46fe1f21d8c7 [2022-11-03 03:39:32,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:39:32,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:39:32,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:39:32,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:39:32,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:39:32,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:39:32" (1/1) ... [2022-11-03 03:39:32,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e9a68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:32, skipping insertion in model container [2022-11-03 03:39:32,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:39:32" (1/1) ... [2022-11-03 03:39:32,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:39:32,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:39:35,241 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_34b19c61-ec27-48e8-9746-f4aadca36c7f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2022-11-03 03:39:35,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:39:35,422 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:39:36,017 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_34b19c61-ec27-48e8-9746-f4aadca36c7f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2022-11-03 03:39:36,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:39:36,208 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:39:36,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36 WrapperNode [2022-11-03 03:39:36,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:39:36,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:39:36,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:39:36,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:39:36,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,507 INFO L138 Inliner]: procedures = 226, calls = 1428, calls flagged for inlining = 121, calls inlined = 118, statements flattened = 3761 [2022-11-03 03:39:36,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:39:36,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:39:36,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:39:36,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:39:36,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:39:36,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:39:36,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:39:36,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:39:36,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (1/1) ... [2022-11-03 03:39:36,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:39:36,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:39:36,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:39:36,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:39:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2022-11-03 03:39:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2022-11-03 03:39:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2022-11-03 03:39:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2022-11-03 03:39:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:39:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:39:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 03:39:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 03:39:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:39:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:39:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:39:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:39:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 03:39:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 03:39:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:39:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:39:36,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:39:36,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:39:36,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:39:36,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:39:36,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 03:39:36,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 03:39:36,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:39:36,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:39:36,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 03:39:36,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 03:39:36,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:39:36,937 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:39:36,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:39:36,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:39:36,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:39:36,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:39:36,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:39:36,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:39:36,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 03:39:36,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 03:39:36,939 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 03:39:36,939 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 03:39:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:39:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:39:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:39:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 03:39:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 03:39:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:39:36,941 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 03:39:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 03:39:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 03:39:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 03:39:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 03:39:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 03:39:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 03:39:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 03:39:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 03:39:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 03:39:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:39:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:39:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:39:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:39:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 03:39:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 03:39:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-03 03:39:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-03 03:39:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:39:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:39:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:39:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:39:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:39:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:39:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:39:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:39:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:39:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:39:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:39:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-03 03:39:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-03 03:39:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:39:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:39:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:39:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:39:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2022-11-03 03:39:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2022-11-03 03:39:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:39:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:39:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 03:39:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 03:39:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:39:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 03:39:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 03:39:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:39:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:39:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:39:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:39:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:39:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:39:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:39:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:39:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:39:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:39:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:39:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 03:39:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 03:39:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2022-11-03 03:39:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2022-11-03 03:39:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-03 03:39:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-03 03:39:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 03:39:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 03:39:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2022-11-03 03:39:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2022-11-03 03:39:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 03:39:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 03:39:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 03:39:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 03:39:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 03:39:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 03:39:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 03:39:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 03:39:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:39:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:39:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:39:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 03:39:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 03:39:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 03:39:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 03:39:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-03 03:39:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-03 03:39:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-03 03:39:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-03 03:39:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:39:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:39:37,874 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:39:37,878 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:39:38,990 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:39:41,887 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:39:43,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:39:43,419 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:39:43,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:39:43 BoogieIcfgContainer [2022-11-03 03:39:43,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:39:43,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:39:43,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:39:43,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:39:43,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:39:32" (1/3) ... [2022-11-03 03:39:43,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a883139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:39:43, skipping insertion in model container [2022-11-03 03:39:43,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:36" (2/3) ... [2022-11-03 03:39:43,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a883139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:39:43, skipping insertion in model container [2022-11-03 03:39:43,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:39:43" (3/3) ... [2022-11-03 03:39:43,437 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2022-11-03 03:39:43,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:39:43,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:39:43,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:39:43,552 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;@a8157f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:39:43,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:39:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 880 states, 537 states have (on average 1.366852886405959) internal successors, (734), 565 states have internal predecessors, (734), 285 states have call successors, (285), 57 states have call predecessors, (285), 56 states have return successors, (277), 267 states have call predecessors, (277), 277 states have call successors, (277) [2022-11-03 03:39:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 03:39:43,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:43,592 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:43,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:43,599 INFO L85 PathProgramCache]: Analyzing trace with hash 590748891, now seen corresponding path program 1 times [2022-11-03 03:39:43,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:43,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890110145] [2022-11-03 03:39:43,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:43,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:39:44,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:44,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890110145] [2022-11-03 03:39:44,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890110145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:44,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:44,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:39:44,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245706807] [2022-11-03 03:39:44,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:44,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:39:44,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:44,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:39:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:39:44,891 INFO L87 Difference]: Start difference. First operand has 880 states, 537 states have (on average 1.366852886405959) internal successors, (734), 565 states have internal predecessors, (734), 285 states have call successors, (285), 57 states have call predecessors, (285), 56 states have return successors, (277), 267 states have call predecessors, (277), 277 states have call successors, (277) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:39:47,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:48,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:48,815 INFO L93 Difference]: Finished difference Result 2235 states and 3276 transitions. [2022-11-03 03:39:48,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:39:48,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2022-11-03 03:39:48,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:48,845 INFO L225 Difference]: With dead ends: 2235 [2022-11-03 03:39:48,846 INFO L226 Difference]: Without dead ends: 1347 [2022-11-03 03:39:48,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:39:48,867 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 720 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:48,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 2323 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 03:39:48,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-11-03 03:39:49,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1342. [2022-11-03 03:39:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 836 states have (on average 1.332535885167464) internal successors, (1114), 863 states have internal predecessors, (1114), 407 states have call successors, (407), 99 states have call predecessors, (407), 98 states have return successors, (406), 392 states have call predecessors, (406), 406 states have call successors, (406) [2022-11-03 03:39:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1927 transitions. [2022-11-03 03:39:49,068 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1927 transitions. Word has length 120 [2022-11-03 03:39:49,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:49,069 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1927 transitions. [2022-11-03 03:39:49,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:39:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1927 transitions. [2022-11-03 03:39:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 03:39:49,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:49,078 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:49,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:39:49,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:49,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1779453808, now seen corresponding path program 1 times [2022-11-03 03:39:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:49,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575319242] [2022-11-03 03:39:49,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:39:50,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:50,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575319242] [2022-11-03 03:39:50,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575319242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:50,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:50,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:39:50,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481150761] [2022-11-03 03:39:50,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:50,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:50,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:50,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:50,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:39:50,026 INFO L87 Difference]: Start difference. First operand 1342 states and 1927 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:39:52,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:54,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:54,435 INFO L93 Difference]: Finished difference Result 3159 states and 4515 transitions. [2022-11-03 03:39:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:54,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2022-11-03 03:39:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:54,462 INFO L225 Difference]: With dead ends: 3159 [2022-11-03 03:39:54,462 INFO L226 Difference]: Without dead ends: 1841 [2022-11-03 03:39:54,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:39:54,473 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 685 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 4845 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:54,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 4845 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 588 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 03:39:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2022-11-03 03:39:54,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1829. [2022-11-03 03:39:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1147 states have (on average 1.3251961639058414) internal successors, (1520), 1182 states have internal predecessors, (1520), 540 states have call successors, (540), 142 states have call predecessors, (540), 141 states have return successors, (539), 523 states have call predecessors, (539), 539 states have call successors, (539) [2022-11-03 03:39:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2599 transitions. [2022-11-03 03:39:54,635 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2599 transitions. Word has length 134 [2022-11-03 03:39:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:54,640 INFO L495 AbstractCegarLoop]: Abstraction has 1829 states and 2599 transitions. [2022-11-03 03:39:54,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:39:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2599 transitions. [2022-11-03 03:39:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-03 03:39:54,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:54,654 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:54,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:39:54,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:54,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:54,660 INFO L85 PathProgramCache]: Analyzing trace with hash 464061107, now seen corresponding path program 1 times [2022-11-03 03:39:54,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:54,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885182137] [2022-11-03 03:39:54,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:54,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:39:55,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:55,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885182137] [2022-11-03 03:39:55,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885182137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:55,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:55,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:39:55,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917541409] [2022-11-03 03:39:55,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:55,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:55,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:55,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:55,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:39:55,468 INFO L87 Difference]: Start difference. First operand 1829 states and 2599 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:39:58,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:00,001 INFO L93 Difference]: Finished difference Result 4141 states and 5867 transitions. [2022-11-03 03:40:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:40:00,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 132 [2022-11-03 03:40:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:00,020 INFO L225 Difference]: With dead ends: 4141 [2022-11-03 03:40:00,021 INFO L226 Difference]: Without dead ends: 2336 [2022-11-03 03:40:00,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:40:00,033 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 689 mSDsluCounter, 4032 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:00,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 4862 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 600 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 03:40:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-11-03 03:40:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2311. [2022-11-03 03:40:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 1454 states have (on average 1.3218707015130673) internal successors, (1922), 1500 states have internal predecessors, (1922), 672 states have call successors, (672), 185 states have call predecessors, (672), 184 states have return successors, (671), 650 states have call predecessors, (671), 671 states have call successors, (671) [2022-11-03 03:40:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 3265 transitions. [2022-11-03 03:40:00,235 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 3265 transitions. Word has length 132 [2022-11-03 03:40:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:00,236 INFO L495 AbstractCegarLoop]: Abstraction has 2311 states and 3265 transitions. [2022-11-03 03:40:00,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:40:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 3265 transitions. [2022-11-03 03:40:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 03:40:00,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:00,242 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:00,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:40:00,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:00,245 INFO L85 PathProgramCache]: Analyzing trace with hash 763678798, now seen corresponding path program 1 times [2022-11-03 03:40:00,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:00,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949149450] [2022-11-03 03:40:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:00,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:00,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:00,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949149450] [2022-11-03 03:40:00,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949149450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:00,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:00,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:40:00,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812553648] [2022-11-03 03:40:00,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:00,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:40:00,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:00,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:40:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:40:00,870 INFO L87 Difference]: Start difference. First operand 2311 states and 3265 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:40:03,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:05,339 INFO L93 Difference]: Finished difference Result 4380 states and 6179 transitions. [2022-11-03 03:40:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:40:05,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2022-11-03 03:40:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:05,356 INFO L225 Difference]: With dead ends: 4380 [2022-11-03 03:40:05,356 INFO L226 Difference]: Without dead ends: 2336 [2022-11-03 03:40:05,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:40:05,372 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 685 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 4845 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:05,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 4845 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 588 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 03:40:05,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-11-03 03:40:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2315. [2022-11-03 03:40:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 1458 states have (on average 1.3209876543209877) internal successors, (1926), 1503 states have internal predecessors, (1926), 671 states have call successors, (671), 186 states have call predecessors, (671), 185 states have return successors, (670), 650 states have call predecessors, (670), 670 states have call successors, (670) [2022-11-03 03:40:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3267 transitions. [2022-11-03 03:40:05,523 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3267 transitions. Word has length 133 [2022-11-03 03:40:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:05,524 INFO L495 AbstractCegarLoop]: Abstraction has 2315 states and 3267 transitions. [2022-11-03 03:40:05,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:40:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3267 transitions. [2022-11-03 03:40:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 03:40:05,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:05,530 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:05,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:40:05,531 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:05,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:05,532 INFO L85 PathProgramCache]: Analyzing trace with hash -773698069, now seen corresponding path program 1 times [2022-11-03 03:40:05,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:05,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148499150] [2022-11-03 03:40:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:06,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:06,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148499150] [2022-11-03 03:40:06,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148499150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:06,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:06,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:40:06,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350902096] [2022-11-03 03:40:06,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:06,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:40:06,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:06,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:40:06,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:40:06,109 INFO L87 Difference]: Start difference. First operand 2315 states and 3267 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:40:09,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:10,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:10,467 INFO L93 Difference]: Finished difference Result 4165 states and 5878 transitions. [2022-11-03 03:40:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:40:10,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2022-11-03 03:40:10,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:10,482 INFO L225 Difference]: With dead ends: 4165 [2022-11-03 03:40:10,483 INFO L226 Difference]: Without dead ends: 2116 [2022-11-03 03:40:10,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:40:10,493 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 682 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 4845 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:10,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 4845 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 588 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 03:40:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2022-11-03 03:40:10,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2098. [2022-11-03 03:40:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 1324 states have (on average 1.3270392749244713) internal successors, (1757), 1364 states have internal predecessors, (1757), 605 states have call successors, (605), 169 states have call predecessors, (605), 168 states have return successors, (604), 587 states have call predecessors, (604), 604 states have call successors, (604) [2022-11-03 03:40:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2966 transitions. [2022-11-03 03:40:10,684 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2966 transitions. Word has length 135 [2022-11-03 03:40:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:10,685 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2966 transitions. [2022-11-03 03:40:10,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 03:40:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2966 transitions. [2022-11-03 03:40:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-03 03:40:10,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:10,690 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:10,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:40:10,690 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:10,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:10,692 INFO L85 PathProgramCache]: Analyzing trace with hash -565687776, now seen corresponding path program 1 times [2022-11-03 03:40:10,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:10,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798323783] [2022-11-03 03:40:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:10,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-03 03:40:11,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:11,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798323783] [2022-11-03 03:40:11,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798323783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:11,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820905645] [2022-11-03 03:40:11,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:11,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:11,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:11,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:40:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:12,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:40:12,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:12,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:12,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820905645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:12,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:40:12,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 03:40:12,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892998177] [2022-11-03 03:40:12,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:12,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:12,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:12,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:12,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:40:12,978 INFO L87 Difference]: Start difference. First operand 2098 states and 2966 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:16,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:19,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:19,692 INFO L93 Difference]: Finished difference Result 5433 states and 7683 transitions. [2022-11-03 03:40:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:19,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 146 [2022-11-03 03:40:19,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:19,716 INFO L225 Difference]: With dead ends: 5433 [2022-11-03 03:40:19,716 INFO L226 Difference]: Without dead ends: 3618 [2022-11-03 03:40:19,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-03 03:40:19,730 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 1091 mSDsluCounter, 9026 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 9802 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:19,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 9802 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1244 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 03:40:19,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-11-03 03:40:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3578. [2022-11-03 03:40:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 2275 states have (on average 1.3314285714285714) internal successors, (3029), 2351 states have internal predecessors, (3029), 1011 states have call successors, (1011), 289 states have call predecessors, (1011), 291 states have return successors, (1019), 976 states have call predecessors, (1019), 1010 states have call successors, (1019) [2022-11-03 03:40:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 5059 transitions. [2022-11-03 03:40:19,983 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 5059 transitions. Word has length 146 [2022-11-03 03:40:19,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:19,984 INFO L495 AbstractCegarLoop]: Abstraction has 3578 states and 5059 transitions. [2022-11-03 03:40:19,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 5059 transitions. [2022-11-03 03:40:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-03 03:40:19,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:19,990 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:20,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 03:40:20,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 03:40:20,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:20,215 INFO L85 PathProgramCache]: Analyzing trace with hash -76183936, now seen corresponding path program 1 times [2022-11-03 03:40:20,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:20,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385613375] [2022-11-03 03:40:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:20,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:21,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:21,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385613375] [2022-11-03 03:40:21,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385613375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:21,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198156947] [2022-11-03 03:40:21,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:21,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:21,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:21,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:21,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:40:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:22,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2698 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:40:22,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:22,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:22,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198156947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:22,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:40:22,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:40:22,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445746580] [2022-11-03 03:40:22,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:22,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:22,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:22,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:40:22,545 INFO L87 Difference]: Start difference. First operand 3578 states and 5059 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:26,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:29,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:29,021 INFO L93 Difference]: Finished difference Result 8412 states and 11886 transitions. [2022-11-03 03:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:29,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2022-11-03 03:40:29,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:29,054 INFO L225 Difference]: With dead ends: 8412 [2022-11-03 03:40:29,055 INFO L226 Difference]: Without dead ends: 5117 [2022-11-03 03:40:29,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:40:29,072 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 1091 mSDsluCounter, 9250 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 10040 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:29,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 10040 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1291 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-03 03:40:29,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2022-11-03 03:40:29,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5069. [2022-11-03 03:40:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5069 states, 3233 states have (on average 1.3325085060315496) internal successors, (4308), 3350 states have internal predecessors, (4308), 1417 states have call successors, (1417), 409 states have call predecessors, (1417), 418 states have return successors, (1440), 1364 states have call predecessors, (1440), 1416 states have call successors, (1440) [2022-11-03 03:40:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7165 transitions. [2022-11-03 03:40:29,431 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7165 transitions. Word has length 147 [2022-11-03 03:40:29,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:29,436 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7165 transitions. [2022-11-03 03:40:29,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7165 transitions. [2022-11-03 03:40:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-03 03:40:29,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:29,443 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:29,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:29,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:29,671 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:29,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:29,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2084420647, now seen corresponding path program 1 times [2022-11-03 03:40:29,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:29,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136881658] [2022-11-03 03:40:29,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:29,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:30,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:30,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136881658] [2022-11-03 03:40:30,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136881658] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:30,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142902772] [2022-11-03 03:40:30,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:30,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:30,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:30,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:30,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:40:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:31,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 2700 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:40:31,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:31,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:31,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142902772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:31,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:40:31,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:40:31,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731092041] [2022-11-03 03:40:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:31,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:31,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:31,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:40:31,948 INFO L87 Difference]: Start difference. First operand 5069 states and 7165 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:35,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:38,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:38,688 INFO L93 Difference]: Finished difference Result 11390 states and 16090 transitions. [2022-11-03 03:40:38,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:38,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 148 [2022-11-03 03:40:38,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:38,735 INFO L225 Difference]: With dead ends: 11390 [2022-11-03 03:40:38,735 INFO L226 Difference]: Without dead ends: 6604 [2022-11-03 03:40:38,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:40:38,761 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 1091 mSDsluCounter, 9250 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 10040 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:38,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 10040 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1291 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 03:40:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6604 states. [2022-11-03 03:40:39,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6604 to 5071. [2022-11-03 03:40:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 3235 states have (on average 1.3323029366306027) internal successors, (4310), 3350 states have internal predecessors, (4310), 1417 states have call successors, (1417), 409 states have call predecessors, (1417), 418 states have return successors, (1440), 1366 states have call predecessors, (1440), 1416 states have call successors, (1440) [2022-11-03 03:40:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7167 transitions. [2022-11-03 03:40:39,199 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7167 transitions. Word has length 148 [2022-11-03 03:40:39,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:39,200 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7167 transitions. [2022-11-03 03:40:39,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7167 transitions. [2022-11-03 03:40:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-03 03:40:39,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:39,207 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:39,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 03:40:39,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:39,423 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:39,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:39,423 INFO L85 PathProgramCache]: Analyzing trace with hash 214573415, now seen corresponding path program 1 times [2022-11-03 03:40:39,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:39,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520839075] [2022-11-03 03:40:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:39,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:40,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:40,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520839075] [2022-11-03 03:40:40,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520839075] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:40,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890946333] [2022-11-03 03:40:40,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:40,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:40,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:40,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:40,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:40:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:41,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 2702 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:40:41,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:40:41,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:41,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890946333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:41,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:40:41,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:40:41,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869794785] [2022-11-03 03:40:41,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:41,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:41,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:41,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:41,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:40:41,564 INFO L87 Difference]: Start difference. First operand 5071 states and 7167 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:45,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:48,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:48,041 INFO L93 Difference]: Finished difference Result 11396 states and 16096 transitions. [2022-11-03 03:40:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:48,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 149 [2022-11-03 03:40:48,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:48,084 INFO L225 Difference]: With dead ends: 11396 [2022-11-03 03:40:48,085 INFO L226 Difference]: Without dead ends: 6608 [2022-11-03 03:40:48,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:40:48,107 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 1091 mSDsluCounter, 9250 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 10040 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:48,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 10040 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1291 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-03 03:40:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2022-11-03 03:40:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 5073. [2022-11-03 03:40:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 3237 states have (on average 1.3320976212542477) internal successors, (4312), 3350 states have internal predecessors, (4312), 1417 states have call successors, (1417), 409 states have call predecessors, (1417), 418 states have return successors, (1440), 1368 states have call predecessors, (1440), 1416 states have call successors, (1440) [2022-11-03 03:40:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 7169 transitions. [2022-11-03 03:40:48,441 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 7169 transitions. Word has length 149 [2022-11-03 03:40:48,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:48,442 INFO L495 AbstractCegarLoop]: Abstraction has 5073 states and 7169 transitions. [2022-11-03 03:40:48,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:40:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 7169 transitions. [2022-11-03 03:40:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-03 03:40:48,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:48,450 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:48,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:48,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:48,679 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:48,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:48,679 INFO L85 PathProgramCache]: Analyzing trace with hash -579030723, now seen corresponding path program 1 times [2022-11-03 03:40:48,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:48,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909658108] [2022-11-03 03:40:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-11-03 03:40:49,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:49,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909658108] [2022-11-03 03:40:49,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909658108] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:49,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618217496] [2022-11-03 03:40:49,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:49,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:49,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:49,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:49,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b19c61-ec27-48e8-9746-f4aadca36c7f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:40:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:50,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 2771 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:50,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-03 03:40:51,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-03 03:40:51,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618217496] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:40:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1921604675] [2022-11-03 03:40:51,672 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-03 03:40:51,672 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:40:51,677 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:40:51,684 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:40:51,684 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:40:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,445 INFO L244 Elim1Store]: Index analysis took 422 ms [2022-11-03 03:41:09,335 WARN L234 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 658 DAG size of output: 381 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:41:09,339 INFO L356 Elim1Store]: treesize reduction 1263, result has 33.9 percent of original size [2022-11-03 03:41:09,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1489 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 55 case distinctions, treesize of input 285 treesize of output 822 [2022-11-03 03:41:11,281 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 03:41:11,999 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 03:41:12,661 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 03:41:13,099 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 03:41:14,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:14,233 INFO L244 Elim1Store]: Index analysis took 770 ms [2022-11-03 03:41:39,084 WARN L234 SmtUtils]: Spent 24.83s on a formula simplification. DAG size of input: 879 DAG size of output: 439 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:41:39,087 INFO L356 Elim1Store]: treesize reduction 2074, result has 25.4 percent of original size [2022-11-03 03:41:39,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 58 select indices, 58 select index equivalence classes, 1544 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 165 case distinctions, treesize of input 304 treesize of output 901 [2022-11-03 03:41:40,316 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 03:41:40,571 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 03:41:40,864 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 03:41:51,612 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 03:41:51,620 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 03:41:51,629 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 03:41:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:57,660 INFO L244 Elim1Store]: Index analysis took 959 ms [2022-11-03 03:41:57,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 274 select indices, 274 select index equivalence classes, 17772 disjoint index pairs (out of 37401 index pairs), introduced 274 new quantified variables, introduced 0 case distinctions, treesize of input 2469 treesize of output 887 [2022-11-03 03:41:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:59,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1598 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 172 [2022-11-03 03:41:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:41:59,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 58 select indices, 58 select index equivalence classes, 1653 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 175 [2022-11-03 03:42:13,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:13,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:14,206 INFO L244 Elim1Store]: Index analysis took 898 ms [2022-11-03 03:42:14,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 274 select indices, 274 select index equivalence classes, 17772 disjoint index pairs (out of 37401 index pairs), introduced 274 new quantified variables, introduced 0 case distinctions, treesize of input 2469 treesize of output 887 [2022-11-03 03:42:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:15,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1598 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 172 [2022-11-03 03:42:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:15,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 58 select indices, 58 select index equivalence classes, 1653 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 175 [2022-11-03 03:43:15,297 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 03:43:15,449 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 03:43:16,253 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 03:43:17,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:43:17,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:43:17,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:44:03,490 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 03:44:04,553 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 03:44:04,747 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 03:44:05,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:44:05,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:44:05,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:44:15,321 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 03:44:15,501 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 03:44:16,394 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 03:44:22,272 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 03:44:22,600 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 03:44:23,036 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 03:44:33,603 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 03:44:34,277 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 03:44:34,513 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 03:44:40,088 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 03:44:40,271 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 03:44:40,534 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 03:44:50,102 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 03:44:50,262 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 03:44:50,728 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 03:44:55,917 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 03:44:56,247 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 03:44:56,407 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 03:45:58,283 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 03:45:58,431 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 03:45:58,834 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 03:46:00,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:46:00,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:46:00,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:46:38,774 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 03:46:39,205 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 03:46:39,545 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 03:46:41,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:46:41,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:46:41,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:52:34,475 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1593 for LOIs [2022-11-03 03:52:49,216 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 182 for LOIs [2022-11-03 03:52:49,263 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 03:52:49,286 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 03:52:49,957 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 201 for LOIs [2022-11-03 03:52:49,975 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 203 for LOIs [2022-11-03 03:52:50,034 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1593 for LOIs [2022-11-03 03:52:54,838 INFO L180 IcfgInterpreter]: Interpretation finished