./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0 --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 d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- 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-e04fb08 [2022-11-16 20:07:38,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:07:38,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:07:38,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:07:38,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:07:38,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:07:38,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:07:38,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:07:38,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:07:38,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:07:38,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:07:38,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:07:38,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:07:38,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:07:38,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:07:38,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:07:38,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:07:38,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:07:38,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:07:38,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:07:38,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:07:38,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:07:38,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:07:38,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:07:38,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:07:38,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:07:38,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:07:38,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:07:38,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:07:38,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:07:38,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:07:38,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:07:38,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:07:38,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:07:38,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:07:38,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:07:38,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:07:38,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:07:38,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:07:38,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:07:38,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:07:38,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 20:07:38,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:07:38,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:07:38,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:07:38,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:07:38,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:07:38,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:07:38,504 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:07:38,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:07:38,505 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:07:38,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:07:38,505 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:07:38,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:07:38,506 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:07:38,506 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:07:38,506 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:07:38,506 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:07:38,507 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:07:38,507 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:07:38,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:07:38,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:07:38,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:07:38,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:07:38,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:07:38,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:07:38,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:07:38,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:07:38,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:07:38,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:07:38,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:07:38,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:07:38,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:07:38,511 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:07:38,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:07:38,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:07:38,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:07:38,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:07:38,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:07:38,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:07:38,513 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_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2022-11-16 20:07:38,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:07:38,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:07:38,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:07:38,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:07:38,874 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:07:38,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2022-11-16 20:07:38,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/data/6545f2b16/ba5c578a4e9a460693f982249b3dc6bd/FLAGb0987b613 [2022-11-16 20:07:39,812 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:07:39,812 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2022-11-16 20:07:39,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/data/6545f2b16/ba5c578a4e9a460693f982249b3dc6bd/FLAGb0987b613 [2022-11-16 20:07:39,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/data/6545f2b16/ba5c578a4e9a460693f982249b3dc6bd [2022-11-16 20:07:39,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:07:39,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:07:39,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:07:39,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:07:39,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:07:39,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:39" (1/1) ... [2022-11-16 20:07:39,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41840597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:39, skipping insertion in model container [2022-11-16 20:07:39,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:39" (1/1) ... [2022-11-16 20:07:39,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:07:40,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:07:41,059 WARN L229 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_5805752b-6366-44cb-b977-0f6044cc45fc/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2022-11-16 20:07:41,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:07:41,175 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:07:41,371 WARN L229 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_5805752b-6366-44cb-b977-0f6044cc45fc/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2022-11-16 20:07:41,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:07:41,471 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:07:41,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41 WrapperNode [2022-11-16 20:07:41,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:07:41,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:07:41,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:07:41,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:07:41,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,587 INFO L138 Inliner]: procedures = 81, calls = 518, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1696 [2022-11-16 20:07:41,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:07:41,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:07:41,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:07:41,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:07:41,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:07:41,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:07:41,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:07:41,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:07:41,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (1/1) ... [2022-11-16 20:07:41,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:07:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:07:41,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:07:41,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:07:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:07:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2022-11-16 20:07:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2022-11-16 20:07:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:07:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2022-11-16 20:07:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2022-11-16 20:07:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:07:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:07:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 20:07:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 20:07:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 20:07:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 20:07:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 20:07:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 20:07:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-16 20:07:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-16 20:07:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:07:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:07:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 20:07:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 20:07:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:07:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-16 20:07:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-16 20:07:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2022-11-16 20:07:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2022-11-16 20:07:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 20:07:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 20:07:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2022-11-16 20:07:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2022-11-16 20:07:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2022-11-16 20:07:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2022-11-16 20:07:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-11-16 20:07:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-11-16 20:07:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:07:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:07:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:07:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:07:42,247 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:07:42,249 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:07:42,271 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 20:07:42,419 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-16 20:07:42,419 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-16 20:07:42,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2022-11-16 20:07:42,567 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 20:07:42,571 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 20:07:42,595 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 20:07:44,341 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2022-11-16 20:07:44,342 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2022-11-16 20:07:44,342 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2022-11-16 20:07:44,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2022-11-16 20:07:44,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-11-16 20:07:44,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-11-16 20:07:44,353 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:07:45,043 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:07:45,043 INFO L300 CfgBuilder]: Removed 23 assume(true) statements. [2022-11-16 20:07:45,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:07:45 BoogieIcfgContainer [2022-11-16 20:07:45,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:07:45,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:07:45,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:07:45,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:07:45,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:07:39" (1/3) ... [2022-11-16 20:07:45,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cfb5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:45, skipping insertion in model container [2022-11-16 20:07:45,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:41" (2/3) ... [2022-11-16 20:07:45,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cfb5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:45, skipping insertion in model container [2022-11-16 20:07:45,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:07:45" (3/3) ... [2022-11-16 20:07:45,056 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2022-11-16 20:07:45,076 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:07:45,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:07:45,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:07:45,143 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;@cb33e09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:07:45,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:07:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 93 states have internal predecessors, (121), 25 states have call successors, (25), 13 states have call predecessors, (25), 12 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-16 20:07:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 20:07:45,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:45,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:07:45,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1208180335, now seen corresponding path program 1 times [2022-11-16 20:07:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:45,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854226920] [2022-11-16 20:07:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:07:45,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:45,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854226920] [2022-11-16 20:07:45,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854226920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:45,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:45,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:07:45,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143438198] [2022-11-16 20:07:45,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:45,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:07:45,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:46,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:07:46,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:07:46,005 INFO L87 Difference]: Start difference. First operand has 122 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 93 states have internal predecessors, (121), 25 states have call successors, (25), 13 states have call predecessors, (25), 12 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 20:07:46,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:46,513 INFO L93 Difference]: Finished difference Result 314 states and 440 transitions. [2022-11-16 20:07:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:07:46,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-16 20:07:46,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:46,533 INFO L225 Difference]: With dead ends: 314 [2022-11-16 20:07:46,534 INFO L226 Difference]: Without dead ends: 199 [2022-11-16 20:07:46,537 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 [2022-11-16 20:07:46,541 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:46,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 245 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 20:07:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-16 20:07:46,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 196. [2022-11-16 20:07:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 137 states have (on average 1.3868613138686132) internal successors, (190), 145 states have internal predecessors, (190), 38 states have call successors, (38), 21 states have call predecessors, (38), 20 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-16 20:07:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 263 transitions. [2022-11-16 20:07:46,637 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 263 transitions. Word has length 13 [2022-11-16 20:07:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:46,637 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 263 transitions. [2022-11-16 20:07:46,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 20:07:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 263 transitions. [2022-11-16 20:07:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 20:07:46,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:46,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:07:46,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:07:46,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:46,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:46,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1201003526, now seen corresponding path program 1 times [2022-11-16 20:07:46,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:46,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329185659] [2022-11-16 20:07:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:46,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:07:46,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:46,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329185659] [2022-11-16 20:07:46,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329185659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:46,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:46,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:07:46,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161218337] [2022-11-16 20:07:46,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:46,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:07:46,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:46,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:07:46,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:07:46,976 INFO L87 Difference]: Start difference. First operand 196 states and 263 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 20:07:47,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:47,241 INFO L93 Difference]: Finished difference Result 198 states and 264 transitions. [2022-11-16 20:07:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:07:47,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-16 20:07:47,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:47,245 INFO L225 Difference]: With dead ends: 198 [2022-11-16 20:07:47,245 INFO L226 Difference]: Without dead ends: 187 [2022-11-16 20:07:47,245 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 [2022-11-16 20:07:47,246 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 149 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:47,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 120 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:07:47,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-16 20:07:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2022-11-16 20:07:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 132 states have (on average 1.371212121212121) internal successors, (181), 138 states have internal predecessors, (181), 35 states have call successors, (35), 20 states have call predecessors, (35), 19 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-16 20:07:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 249 transitions. [2022-11-16 20:07:47,279 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 249 transitions. Word has length 14 [2022-11-16 20:07:47,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:47,279 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 249 transitions. [2022-11-16 20:07:47,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 20:07:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 249 transitions. [2022-11-16 20:07:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 20:07:47,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:47,283 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:07:47,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:07:47,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:47,284 INFO L85 PathProgramCache]: Analyzing trace with hash 568170737, now seen corresponding path program 1 times [2022-11-16 20:07:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:47,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48712939] [2022-11-16 20:07:47,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:47,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:07:48,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:48,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48712939] [2022-11-16 20:07:48,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48712939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:48,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:48,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:07:48,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497354833] [2022-11-16 20:07:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:48,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:07:48,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:48,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:07:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:07:48,279 INFO L87 Difference]: Start difference. First operand 187 states and 249 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 20:07:48,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:48,892 INFO L93 Difference]: Finished difference Result 282 states and 378 transitions. [2022-11-16 20:07:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 20:07:48,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2022-11-16 20:07:48,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:48,898 INFO L225 Difference]: With dead ends: 282 [2022-11-16 20:07:48,898 INFO L226 Difference]: Without dead ends: 270 [2022-11-16 20:07:48,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:07:48,899 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 225 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:48,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 318 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 20:07:48,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-16 20:07:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 191. [2022-11-16 20:07:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 136 states have (on average 1.3676470588235294) internal successors, (186), 141 states have internal predecessors, (186), 35 states have call successors, (35), 20 states have call predecessors, (35), 19 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-16 20:07:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 254 transitions. [2022-11-16 20:07:48,925 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 254 transitions. Word has length 47 [2022-11-16 20:07:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:48,926 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 254 transitions. [2022-11-16 20:07:48,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 20:07:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 254 transitions. [2022-11-16 20:07:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-16 20:07:48,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:48,928 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:07:48,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:07:48,929 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:48,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 294974789, now seen corresponding path program 1 times [2022-11-16 20:07:48,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:48,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623428358] [2022-11-16 20:07:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:07:49,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:49,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623428358] [2022-11-16 20:07:49,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623428358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:49,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:49,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 20:07:49,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117285330] [2022-11-16 20:07:49,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:49,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 20:07:49,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:49,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 20:07:49,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 20:07:49,989 INFO L87 Difference]: Start difference. First operand 191 states and 254 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-16 20:07:50,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:50,983 INFO L93 Difference]: Finished difference Result 526 states and 703 transitions. [2022-11-16 20:07:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 20:07:50,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2022-11-16 20:07:50,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:50,986 INFO L225 Difference]: With dead ends: 526 [2022-11-16 20:07:50,986 INFO L226 Difference]: Without dead ends: 348 [2022-11-16 20:07:50,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-16 20:07:50,988 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 345 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:50,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 249 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 20:07:50,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-11-16 20:07:51,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 335. [2022-11-16 20:07:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 247 states have (on average 1.3846153846153846) internal successors, (342), 253 states have internal predecessors, (342), 55 states have call successors, (55), 33 states have call predecessors, (55), 32 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-16 20:07:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2022-11-16 20:07:51,035 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 49 [2022-11-16 20:07:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:51,035 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2022-11-16 20:07:51,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-16 20:07:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2022-11-16 20:07:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-16 20:07:51,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:51,038 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:07:51,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 20:07:51,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:51,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:51,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1431930049, now seen corresponding path program 1 times [2022-11-16 20:07:51,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:51,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317284275] [2022-11-16 20:07:51,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:51,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:07:51,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:51,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317284275] [2022-11-16 20:07:51,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317284275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:51,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:51,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:07:51,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925505640] [2022-11-16 20:07:51,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:51,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:07:51,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:51,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:07:51,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:07:51,561 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-16 20:07:52,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:52,548 INFO L93 Difference]: Finished difference Result 987 states and 1328 transitions. [2022-11-16 20:07:52,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 20:07:52,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2022-11-16 20:07:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:52,555 INFO L225 Difference]: With dead ends: 987 [2022-11-16 20:07:52,556 INFO L226 Difference]: Without dead ends: 657 [2022-11-16 20:07:52,557 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 [2022-11-16 20:07:52,558 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 170 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:52,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 459 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 20:07:52,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2022-11-16 20:07:52,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 636. [2022-11-16 20:07:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 473 states have (on average 1.3763213530655392) internal successors, (651), 485 states have internal predecessors, (651), 100 states have call successors, (100), 61 states have call predecessors, (100), 62 states have return successors, (100), 96 states have call predecessors, (100), 98 states have call successors, (100) [2022-11-16 20:07:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 851 transitions. [2022-11-16 20:07:52,645 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 851 transitions. Word has length 49 [2022-11-16 20:07:52,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:52,647 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 851 transitions. [2022-11-16 20:07:52,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-16 20:07:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 851 transitions. [2022-11-16 20:07:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 20:07:52,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:52,659 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:07:52,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:07:52,660 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash -420776458, now seen corresponding path program 1 times [2022-11-16 20:07:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:52,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107555661] [2022-11-16 20:07:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:07:53,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:53,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107555661] [2022-11-16 20:07:53,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107555661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:53,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:53,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 20:07:53,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620574908] [2022-11-16 20:07:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:53,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:07:53,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:53,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:07:53,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:07:53,697 INFO L87 Difference]: Start difference. First operand 636 states and 851 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-16 20:07:55,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:55,022 INFO L93 Difference]: Finished difference Result 1557 states and 2164 transitions. [2022-11-16 20:07:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 20:07:55,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53 [2022-11-16 20:07:55,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:55,036 INFO L225 Difference]: With dead ends: 1557 [2022-11-16 20:07:55,037 INFO L226 Difference]: Without dead ends: 1554 [2022-11-16 20:07:55,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 20:07:55,041 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 422 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:55,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 644 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 20:07:55,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2022-11-16 20:07:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1238. [2022-11-16 20:07:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 923 states have (on average 1.3791982665222102) internal successors, (1273), 945 states have internal predecessors, (1273), 194 states have call successors, (194), 117 states have call predecessors, (194), 120 states have return successors, (202), 188 states have call predecessors, (202), 192 states have call successors, (202) [2022-11-16 20:07:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1669 transitions. [2022-11-16 20:07:55,246 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1669 transitions. Word has length 53 [2022-11-16 20:07:55,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:55,247 INFO L495 AbstractCegarLoop]: Abstraction has 1238 states and 1669 transitions. [2022-11-16 20:07:55,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-16 20:07:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1669 transitions. [2022-11-16 20:07:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 20:07:55,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:55,251 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:07:55,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 20:07:55,252 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:55,253 INFO L85 PathProgramCache]: Analyzing trace with hash 376234460, now seen corresponding path program 1 times [2022-11-16 20:07:55,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:55,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494953234] [2022-11-16 20:07:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:55,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:07:55,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:55,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494953234] [2022-11-16 20:07:55,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494953234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:55,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:55,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:07:55,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295643844] [2022-11-16 20:07:55,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:55,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:07:55,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:07:55,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:07:55,706 INFO L87 Difference]: Start difference. First operand 1238 states and 1669 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 20:07:56,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:56,315 INFO L93 Difference]: Finished difference Result 1663 states and 2244 transitions. [2022-11-16 20:07:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:07:56,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2022-11-16 20:07:56,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:56,322 INFO L225 Difference]: With dead ends: 1663 [2022-11-16 20:07:56,323 INFO L226 Difference]: Without dead ends: 986 [2022-11-16 20:07:56,328 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 [2022-11-16 20:07:56,331 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 5 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:56,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 226 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 20:07:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2022-11-16 20:07:56,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 986. [2022-11-16 20:07:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 726 states have (on average 1.3539944903581267) internal successors, (983), 743 states have internal predecessors, (983), 158 states have call successors, (158), 103 states have call predecessors, (158), 101 states have return successors, (159), 148 states have call predecessors, (159), 156 states have call successors, (159) [2022-11-16 20:07:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1300 transitions. [2022-11-16 20:07:56,476 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1300 transitions. Word has length 67 [2022-11-16 20:07:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:56,477 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1300 transitions. [2022-11-16 20:07:56,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 20:07:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1300 transitions. [2022-11-16 20:07:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 20:07:56,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:56,480 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:07:56,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 20:07:56,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:56,482 INFO L85 PathProgramCache]: Analyzing trace with hash -254387263, now seen corresponding path program 1 times [2022-11-16 20:07:56,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:56,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434149307] [2022-11-16 20:07:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:56,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 20:07:57,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:57,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434149307] [2022-11-16 20:07:57,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434149307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:57,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:57,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 20:07:57,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475446925] [2022-11-16 20:07:57,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:57,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:07:57,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:57,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:07:57,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:07:57,236 INFO L87 Difference]: Start difference. First operand 986 states and 1300 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 20:07:58,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:07:58,170 INFO L93 Difference]: Finished difference Result 1963 states and 2589 transitions. [2022-11-16 20:07:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 20:07:58,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2022-11-16 20:07:58,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:07:58,175 INFO L225 Difference]: With dead ends: 1963 [2022-11-16 20:07:58,175 INFO L226 Difference]: Without dead ends: 982 [2022-11-16 20:07:58,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 20:07:58,179 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 2 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 20:07:58,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 568 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 20:07:58,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-11-16 20:07:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 982. [2022-11-16 20:07:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 724 states have (on average 1.3522099447513811) internal successors, (979), 740 states have internal predecessors, (979), 157 states have call successors, (157), 102 states have call predecessors, (157), 100 states have return successors, (158), 147 states have call predecessors, (158), 155 states have call successors, (158) [2022-11-16 20:07:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1294 transitions. [2022-11-16 20:07:58,318 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1294 transitions. Word has length 69 [2022-11-16 20:07:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:07:58,318 INFO L495 AbstractCegarLoop]: Abstraction has 982 states and 1294 transitions. [2022-11-16 20:07:58,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 20:07:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1294 transitions. [2022-11-16 20:07:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 20:07:58,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:07:58,321 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:07:58,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 20:07:58,322 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:07:58,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:07:58,322 INFO L85 PathProgramCache]: Analyzing trace with hash -315585045, now seen corresponding path program 1 times [2022-11-16 20:07:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:07:58,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106781339] [2022-11-16 20:07:58,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:07:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:07:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:07:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 20:07:59,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:07:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106781339] [2022-11-16 20:07:59,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106781339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:07:59,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:07:59,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 20:07:59,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698455216] [2022-11-16 20:07:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:07:59,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 20:07:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:07:59,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 20:07:59,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 20:07:59,380 INFO L87 Difference]: Start difference. First operand 982 states and 1294 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-16 20:08:01,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:08:01,062 INFO L93 Difference]: Finished difference Result 1876 states and 2487 transitions. [2022-11-16 20:08:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 20:08:01,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 69 [2022-11-16 20:08:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:08:01,074 INFO L225 Difference]: With dead ends: 1876 [2022-11-16 20:08:01,074 INFO L226 Difference]: Without dead ends: 1864 [2022-11-16 20:08:01,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-16 20:08:01,078 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 300 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:08:01,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 356 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 20:08:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-11-16 20:08:01,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1580. [2022-11-16 20:08:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1170 states have (on average 1.3615384615384616) internal successors, (1593), 1196 states have internal predecessors, (1593), 251 states have call successors, (251), 158 states have call predecessors, (251), 158 states have return successors, (254), 235 states have call predecessors, (254), 249 states have call successors, (254) [2022-11-16 20:08:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2098 transitions. [2022-11-16 20:08:01,278 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2098 transitions. Word has length 69 [2022-11-16 20:08:01,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:08:01,279 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2098 transitions. [2022-11-16 20:08:01,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-16 20:08:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2098 transitions. [2022-11-16 20:08:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-16 20:08:01,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:08:01,282 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:08:01,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 20:08:01,283 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:08:01,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:08:01,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2001781059, now seen corresponding path program 1 times [2022-11-16 20:08:01,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:08:01,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870327646] [2022-11-16 20:08:01,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:08:01,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:08:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:08:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-16 20:08:03,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:08:03,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870327646] [2022-11-16 20:08:03,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870327646] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:08:03,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906917784] [2022-11-16 20:08:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:08:03,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:08:03,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:08:03,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:08:03,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805752b-6366-44cb-b977-0f6044cc45fc/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:08:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:08:03,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 2292 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 20:08:04,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:08:04,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:08:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-16 20:08:05,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:08:05,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2022-11-16 20:08:07,164 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-16 20:08:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 20:08:07,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906917784] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:08:07,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [925295908] [2022-11-16 20:08:07,538 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2022-11-16 20:08:07,539 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:08:07,544 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:08:07,550 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:08:07,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:08:09,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 649 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-16 20:08:09,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1050 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 206 [2022-11-16 20:08:10,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 273 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 91 [2022-11-16 20:08:10,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 453 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 126 [2022-11-16 20:08:10,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 310 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 101 [2022-11-16 20:08:11,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3283 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 386 [2022-11-16 20:08:11,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1244 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 231 [2022-11-16 20:08:12,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 121 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2022-11-16 20:08:12,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 758 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 166 [2022-11-16 20:08:16,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 9 [2022-11-16 20:08:16,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 9 [2022-11-16 20:08:16,311 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-16 20:08:16,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 35 treesize of output 30 [2022-11-16 20:08:19,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:19,467 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-16 20:08:19,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 85 select indices, 85 select index equivalence classes, 1947 disjoint index pairs (out of 3570 index pairs), introduced 85 new quantified variables, introduced 0 case distinctions, treesize of input 762 treesize of output 256 [2022-11-16 20:08:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:20,651 INFO L217 Elim1Store]: Index analysis took 117 ms [2022-11-16 20:08:20,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 85 select indices, 85 select index equivalence classes, 1947 disjoint index pairs (out of 3570 index pairs), introduced 85 new quantified variables, introduced 0 case distinctions, treesize of input 762 treesize of output 256 [2022-11-16 20:08:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:21,461 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-16 20:08:21,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 189 select indices, 189 select index equivalence classes, 1787 disjoint index pairs (out of 17766 index pairs), introduced 189 new quantified variables, introduced 0 case distinctions, treesize of input 1498 treesize of output 570 [2022-11-16 20:08:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:27,503 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-16 20:08:27,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 85 select indices, 85 select index equivalence classes, 1947 disjoint index pairs (out of 3570 index pairs), introduced 85 new quantified variables, introduced 0 case distinctions, treesize of input 762 treesize of output 256 [2022-11-16 20:08:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:28,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 85 select indices, 85 select index equivalence classes, 1947 disjoint index pairs (out of 3570 index pairs), introduced 85 new quantified variables, introduced 0 case distinctions, treesize of input 762 treesize of output 256 [2022-11-16 20:08:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:08:29,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 189 select indices, 189 select index equivalence classes, 1787 disjoint index pairs (out of 17766 index pairs), introduced 189 new quantified variables, introduced 0 case distinctions, treesize of input 1498 treesize of output 570 [2022-11-16 20:09:22,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 20:09:22,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 20:09:29,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:09:29,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:09:30,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:09:30,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:09:35,843 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_urb with input of size 90 for LOIs [2022-11-16 20:09:35,907 INFO L197 IcfgInterpreter]: Interpreting procedure kmalloc with input of size 106 for LOIs [2022-11-16 20:09:36,403 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undefined_pointer with input of size 91 for LOIs [2022-11-16 20:09:36,563 INFO L197 IcfgInterpreter]: Interpreting procedure ir_init with input of size 2199 for LOIs [2022-11-16 20:09:47,151 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 178 for LOIs [2022-11-16 20:09:47,456 INFO L197 IcfgInterpreter]: Interpreting procedure ir_xbof_change with input of size 84 for LOIs [2022-11-16 20:09:47,535 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:10:26,039 WARN L233 SmtUtils]: Spent 37.68s on a formula simplification that was a NOOP. DAG size: 2193 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:11:05,214 WARN L233 SmtUtils]: Spent 38.27s on a formula simplification that was a NOOP. DAG size: 2199 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:12:25,831 WARN L233 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 2218 DAG size of output: 2215 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:13:46,427 WARN L233 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 2259 DAG size of output: 2253 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:15:06,838 WARN L233 SmtUtils]: Spent 1.32m on a formula simplification. DAG size of input: 2262 DAG size of output: 2251 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:17,595 WARN L233 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 1260 DAG size of output: 1190 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:17:29,609 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification. DAG size of input: 1260 DAG size of output: 1194 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:18:01,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [925295908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:18:01,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:18:01,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [9, 15, 9] total 65 [2022-11-16 20:18:01,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313347148] [2022-11-16 20:18:01,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:18:01,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-16 20:18:01,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:18:01,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-16 20:18:01,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=3627, Unknown=0, NotChecked=0, Total=4160 [2022-11-16 20:18:01,016 INFO L87 Difference]: Start difference. First operand 1580 states and 2098 transitions. Second operand has 43 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 30 states have internal predecessors, (40), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-16 20:18:02,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:18:04,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:19:24,234 WARN L233 SmtUtils]: Spent 1.28m on a formula simplification. DAG size of input: 2200 DAG size of output: 2196 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:20:55,384 WARN L233 SmtUtils]: Spent 1.51m on a formula simplification. DAG size of input: 2206 DAG size of output: 2198 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)