./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:05:14,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:05:14,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:05:14,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:05:14,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:05:14,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:05:14,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:05:14,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:05:14,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:05:14,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:05:14,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:05:14,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:05:14,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:05:14,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:05:14,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:05:14,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:05:14,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:05:14,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:05:14,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:05:14,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:05:14,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:05:14,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:05:14,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:05:14,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:05:14,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:05:14,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:05:14,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:05:14,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:05:14,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:05:14,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:05:14,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:05:14,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:05:14,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:05:14,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:05:14,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:05:14,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:05:14,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:05:14,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:05:14,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:05:14,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:05:14,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:05:14,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:05:14,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:05:14,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:05:14,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:05:14,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:05:14,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:05:14,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:05:14,519 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:05:14,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:05:14,519 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:05:14,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:05:14,521 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:05:14,522 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:05:14,522 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:05:14,523 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:05:14,523 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:05:14,524 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:05:14,524 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:05:14,524 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:05:14,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:05:14,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:05:14,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:05:14,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:05:14,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:05:14,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:05:14,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:05:14,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:05:14,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:05:14,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:05:14,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:05:14,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:05:14,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:05:14,540 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:05:14,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:05:14,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:05:14,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:05:14,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:05:14,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:05:14,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:05:14,542 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_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2022-11-19 07:05:14,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:05:14,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:05:14,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:05:14,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:05:14,991 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:05:14,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-19 07:05:15,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/data/441080293/7712ddce86d24a0fb77edf5f5f338012/FLAGf74302790 [2022-11-19 07:05:16,224 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:05:16,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-19 07:05:16,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/data/441080293/7712ddce86d24a0fb77edf5f5f338012/FLAGf74302790 [2022-11-19 07:05:16,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/data/441080293/7712ddce86d24a0fb77edf5f5f338012 [2022-11-19 07:05:16,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:05:16,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:05:16,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:05:16,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:05:16,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:05:16,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:05:16" (1/1) ... [2022-11-19 07:05:16,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cfef50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:16, skipping insertion in model container [2022-11-19 07:05:16,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:05:16" (1/1) ... [2022-11-19 07:05:16,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:05:16,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:05:17,982 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2022-11-19 07:05:18,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:05:18,939 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:05:19,133 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2022-11-19 07:05:19,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:05:19,577 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:05:19,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19 WrapperNode [2022-11-19 07:05:19,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:05:19,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:05:19,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:05:19,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:05:19,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,818 INFO L138 Inliner]: procedures = 157, calls = 675, calls flagged for inlining = 60, calls inlined = 51, statements flattened = 1525 [2022-11-19 07:05:19,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:05:19,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:05:19,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:05:19,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:05:19,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:19,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:20,001 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:20,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:20,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:05:20,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:05:20,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:05:20,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:05:20,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (1/1) ... [2022-11-19 07:05:20,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:05:20,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:05:20,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:05:20,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:05:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-11-19 07:05:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-11-19 07:05:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-11-19 07:05:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-11-19 07:05:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-11-19 07:05:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-11-19 07:05:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:05:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-11-19 07:05:20,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-11-19 07:05:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-11-19 07:05:20,161 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-11-19 07:05:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:05:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:05:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:05:20,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:05:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:05:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2022-11-19 07:05:20,163 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2022-11-19 07:05:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-11-19 07:05:20,164 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-11-19 07:05:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-19 07:05:20,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-19 07:05:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-11-19 07:05:20,164 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-11-19 07:05:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:05:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:05:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-19 07:05:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-19 07:05:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:05:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-19 07:05:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-19 07:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-11-19 07:05:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-11-19 07:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-11-19 07:05:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-11-19 07:05:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-19 07:05:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-19 07:05:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-11-19 07:05:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-11-19 07:05:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-11-19 07:05:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-11-19 07:05:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:05:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:05:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:05:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:05:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:05:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:05:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:05:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-11-19 07:05:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-11-19 07:05:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-11-19 07:05:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-11-19 07:05:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:05:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:05:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-11-19 07:05:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-11-19 07:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-19 07:05:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-19 07:05:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-19 07:05:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-19 07:05:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:05:20,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:05:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-11-19 07:05:20,180 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-11-19 07:05:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:05:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-11-19 07:05:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-11-19 07:05:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-11-19 07:05:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-11-19 07:05:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:05:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:05:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:05:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:05:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-11-19 07:05:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-11-19 07:05:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:05:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:05:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-11-19 07:05:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-11-19 07:05:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:05:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-19 07:05:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-19 07:05:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-19 07:05:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-19 07:05:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-11-19 07:05:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-11-19 07:05:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-11-19 07:05:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-11-19 07:05:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-11-19 07:05:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-11-19 07:05:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:05:20,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:05:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:05:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:05:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2022-11-19 07:05:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2022-11-19 07:05:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2022-11-19 07:05:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2022-11-19 07:05:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:05:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:05:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:05:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:05:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2022-11-19 07:05:20,196 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2022-11-19 07:05:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2022-11-19 07:05:20,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2022-11-19 07:05:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-19 07:05:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-19 07:05:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:05:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:05:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:05:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:05:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-11-19 07:05:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-11-19 07:05:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:05:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:05:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2022-11-19 07:05:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2022-11-19 07:05:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-11-19 07:05:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-11-19 07:05:20,984 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:05:20,988 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:05:21,403 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:05:22,349 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-19 07:05:25,257 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:05:25,985 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:05:25,986 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:05:25,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:05:25 BoogieIcfgContainer [2022-11-19 07:05:25,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:05:25,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:05:25,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:05:26,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:05:26,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:05:16" (1/3) ... [2022-11-19 07:05:26,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42900f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:05:26, skipping insertion in model container [2022-11-19 07:05:26,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:19" (2/3) ... [2022-11-19 07:05:26,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42900f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:05:26, skipping insertion in model container [2022-11-19 07:05:26,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:05:25" (3/3) ... [2022-11-19 07:05:26,007 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-19 07:05:26,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:05:26,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:05:26,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:05:26,142 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;@7094feae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:05:26,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:05:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 565 states, 345 states have (on average 1.3710144927536232) internal successors, (473), 369 states have internal predecessors, (473), 167 states have call successors, (167), 53 states have call predecessors, (167), 51 states have return successors, (161), 156 states have call predecessors, (161), 161 states have call successors, (161) [2022-11-19 07:05:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 07:05:26,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:26,185 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:26,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:26,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:26,195 INFO L85 PathProgramCache]: Analyzing trace with hash 298857591, now seen corresponding path program 1 times [2022-11-19 07:05:26,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:26,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265250762] [2022-11-19 07:05:26,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:26,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-19 07:05:27,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:27,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265250762] [2022-11-19 07:05:27,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265250762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:27,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:27,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:27,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789302226] [2022-11-19 07:05:27,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:27,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:27,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:27,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:27,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:27,341 INFO L87 Difference]: Start difference. First operand has 565 states, 345 states have (on average 1.3710144927536232) internal successors, (473), 369 states have internal predecessors, (473), 167 states have call successors, (167), 53 states have call predecessors, (167), 51 states have return successors, (161), 156 states have call predecessors, (161), 161 states have call successors, (161) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 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) [2022-11-19 07:05:28,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:31,430 INFO L93 Difference]: Finished difference Result 1635 states and 2313 transitions. [2022-11-19 07:05:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:31,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 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 48 [2022-11-19 07:05:31,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:31,460 INFO L225 Difference]: With dead ends: 1635 [2022-11-19 07:05:31,460 INFO L226 Difference]: Without dead ends: 1064 [2022-11-19 07:05:31,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:31,473 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 737 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:31,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1532 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 07:05:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2022-11-19 07:05:31,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1064. [2022-11-19 07:05:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 657 states have (on average 1.3455098934550989) internal successors, (884), 684 states have internal predecessors, (884), 306 states have call successors, (306), 101 states have call predecessors, (306), 100 states have return successors, (301), 291 states have call predecessors, (301), 301 states have call successors, (301) [2022-11-19 07:05:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1491 transitions. [2022-11-19 07:05:31,700 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1491 transitions. Word has length 48 [2022-11-19 07:05:31,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:31,701 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 1491 transitions. [2022-11-19 07:05:31,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 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) [2022-11-19 07:05:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1491 transitions. [2022-11-19 07:05:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 07:05:31,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:31,712 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:31,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:05:31,713 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:31,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:31,714 INFO L85 PathProgramCache]: Analyzing trace with hash 705439129, now seen corresponding path program 1 times [2022-11-19 07:05:31,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:31,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185736424] [2022-11-19 07:05:31,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:31,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-19 07:05:32,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:32,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185736424] [2022-11-19 07:05:32,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185736424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:32,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:32,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:32,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597001013] [2022-11-19 07:05:32,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:32,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:32,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:32,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:32,507 INFO L87 Difference]: Start difference. First operand 1064 states and 1491 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:35,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:35,931 INFO L93 Difference]: Finished difference Result 2086 states and 2915 transitions. [2022-11-19 07:05:35,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:35,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2022-11-19 07:05:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:35,948 INFO L225 Difference]: With dead ends: 2086 [2022-11-19 07:05:35,949 INFO L226 Difference]: Without dead ends: 2083 [2022-11-19 07:05:35,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:35,953 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 721 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:35,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1506 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:05:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2022-11-19 07:05:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2071. [2022-11-19 07:05:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1280 states have (on average 1.34296875) internal successors, (1719), 1330 states have internal predecessors, (1719), 592 states have call successors, (592), 201 states have call predecessors, (592), 198 states have return successors, (587), 563 states have call predecessors, (587), 587 states have call successors, (587) [2022-11-19 07:05:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2898 transitions. [2022-11-19 07:05:36,114 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2898 transitions. Word has length 55 [2022-11-19 07:05:36,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:36,115 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2898 transitions. [2022-11-19 07:05:36,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2898 transitions. [2022-11-19 07:05:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 07:05:36,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:36,119 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:36,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:05:36,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:36,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash 393361135, now seen corresponding path program 1 times [2022-11-19 07:05:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:36,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971488884] [2022-11-19 07:05:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-19 07:05:36,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:36,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971488884] [2022-11-19 07:05:36,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971488884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:36,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:36,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:36,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302977446] [2022-11-19 07:05:36,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:36,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:36,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:36,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:36,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:36,728 INFO L87 Difference]: Start difference. First operand 2071 states and 2898 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:40,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:40,508 INFO L93 Difference]: Finished difference Result 5090 states and 7112 transitions. [2022-11-19 07:05:40,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:40,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2022-11-19 07:05:40,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:40,533 INFO L225 Difference]: With dead ends: 5090 [2022-11-19 07:05:40,534 INFO L226 Difference]: Without dead ends: 3031 [2022-11-19 07:05:40,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:40,546 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 675 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:40,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1489 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 07:05:40,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2022-11-19 07:05:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3021. [2022-11-19 07:05:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3021 states, 1872 states have (on average 1.3456196581196582) internal successors, (2519), 1945 states have internal predecessors, (2519), 852 states have call successors, (852), 299 states have call predecessors, (852), 296 states have return successors, (847), 811 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-19 07:05:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 4218 transitions. [2022-11-19 07:05:40,819 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 4218 transitions. Word has length 56 [2022-11-19 07:05:40,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:40,825 INFO L495 AbstractCegarLoop]: Abstraction has 3021 states and 4218 transitions. [2022-11-19 07:05:40,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 4218 transitions. [2022-11-19 07:05:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 07:05:40,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:40,830 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:40,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:05:40,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:40,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:40,835 INFO L85 PathProgramCache]: Analyzing trace with hash -691117220, now seen corresponding path program 1 times [2022-11-19 07:05:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:40,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491335755] [2022-11-19 07:05:40,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:40,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-19 07:05:41,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:41,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491335755] [2022-11-19 07:05:41,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491335755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:41,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:41,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:41,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596564682] [2022-11-19 07:05:41,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:41,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:41,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:41,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:41,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:41,171 INFO L87 Difference]: Start difference. First operand 3021 states and 4218 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:43,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:44,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:44,636 INFO L93 Difference]: Finished difference Result 3961 states and 5547 transitions. [2022-11-19 07:05:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:44,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-11-19 07:05:44,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:44,665 INFO L225 Difference]: With dead ends: 3961 [2022-11-19 07:05:44,665 INFO L226 Difference]: Without dead ends: 3958 [2022-11-19 07:05:44,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:44,671 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 661 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:44,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1497 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-19 07:05:44,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2022-11-19 07:05:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2022-11-19 07:05:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3948 states, 2451 states have (on average 1.3488372093023255) internal successors, (3306), 2551 states have internal predecessors, (3306), 1108 states have call successors, (1108), 393 states have call predecessors, (1108), 388 states have return successors, (1119), 1049 states have call predecessors, (1119), 1103 states have call successors, (1119) [2022-11-19 07:05:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 5533 transitions. [2022-11-19 07:05:45,120 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 5533 transitions. Word has length 57 [2022-11-19 07:05:45,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:45,121 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 5533 transitions. [2022-11-19 07:05:45,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 5533 transitions. [2022-11-19 07:05:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 07:05:45,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:45,129 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:45,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:05:45,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:45,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:45,131 INFO L85 PathProgramCache]: Analyzing trace with hash 49797010, now seen corresponding path program 1 times [2022-11-19 07:05:45,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:45,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259771533] [2022-11-19 07:05:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:45,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-19 07:05:45,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:45,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259771533] [2022-11-19 07:05:45,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259771533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:45,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:45,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:45,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036616250] [2022-11-19 07:05:45,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:45,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:45,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:45,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:45,392 INFO L87 Difference]: Start difference. First operand 3948 states and 5533 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:47,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:47,428 INFO L93 Difference]: Finished difference Result 3950 states and 5534 transitions. [2022-11-19 07:05:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:47,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-11-19 07:05:47,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:47,461 INFO L225 Difference]: With dead ends: 3950 [2022-11-19 07:05:47,462 INFO L226 Difference]: Without dead ends: 3947 [2022-11-19 07:05:47,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:47,468 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 746 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:47,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 685 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 07:05:47,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2022-11-19 07:05:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2022-11-19 07:05:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 2451 states have (on average 1.3484292125662996) internal successors, (3305), 2550 states have internal predecessors, (3305), 1107 states have call successors, (1107), 393 states have call predecessors, (1107), 388 states have return successors, (1119), 1049 states have call predecessors, (1119), 1103 states have call successors, (1119) [2022-11-19 07:05:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5531 transitions. [2022-11-19 07:05:47,819 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5531 transitions. Word has length 58 [2022-11-19 07:05:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:47,819 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 5531 transitions. [2022-11-19 07:05:47,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5531 transitions. [2022-11-19 07:05:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 07:05:47,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:47,828 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:47,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:05:47,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:47,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:47,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1543306527, now seen corresponding path program 1 times [2022-11-19 07:05:47,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:47,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560931108] [2022-11-19 07:05:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-19 07:05:48,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:48,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560931108] [2022-11-19 07:05:48,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560931108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:48,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:48,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:48,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107939442] [2022-11-19 07:05:48,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:48,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:48,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:48,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:48,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:48,089 INFO L87 Difference]: Start difference. First operand 3947 states and 5531 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:50,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:51,138 INFO L93 Difference]: Finished difference Result 3949 states and 5532 transitions. [2022-11-19 07:05:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:51,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2022-11-19 07:05:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:51,167 INFO L225 Difference]: With dead ends: 3949 [2022-11-19 07:05:51,167 INFO L226 Difference]: Without dead ends: 3934 [2022-11-19 07:05:51,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:51,172 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 743 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:51,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 684 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 07:05:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2022-11-19 07:05:51,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3934. [2022-11-19 07:05:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3934 states, 2441 states have (on average 1.3478082752970095) internal successors, (3290), 2539 states have internal predecessors, (3290), 1105 states have call successors, (1105), 392 states have call predecessors, (1105), 387 states have return successors, (1118), 1048 states have call predecessors, (1118), 1102 states have call successors, (1118) [2022-11-19 07:05:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5513 transitions. [2022-11-19 07:05:51,559 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5513 transitions. Word has length 59 [2022-11-19 07:05:51,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:51,560 INFO L495 AbstractCegarLoop]: Abstraction has 3934 states and 5513 transitions. [2022-11-19 07:05:51,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 07:05:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5513 transitions. [2022-11-19 07:05:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-19 07:05:51,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:51,570 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:51,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:05:51,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:51,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash -922262970, now seen corresponding path program 1 times [2022-11-19 07:05:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:51,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645019377] [2022-11-19 07:05:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 07:05:51,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:51,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645019377] [2022-11-19 07:05:51,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645019377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:51,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:51,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:51,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012762483] [2022-11-19 07:05:51,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:51,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:51,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:51,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:51,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:51,838 INFO L87 Difference]: Start difference. First operand 3934 states and 5513 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:54,675 INFO L93 Difference]: Finished difference Result 10204 states and 14213 transitions. [2022-11-19 07:05:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:54,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2022-11-19 07:05:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:54,726 INFO L225 Difference]: With dead ends: 10204 [2022-11-19 07:05:54,726 INFO L226 Difference]: Without dead ends: 6282 [2022-11-19 07:05:54,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:54,747 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 438 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:54,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1417 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 07:05:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6282 states. [2022-11-19 07:05:55,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6282 to 6262. [2022-11-19 07:05:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6262 states, 3909 states have (on average 1.352519826042466) internal successors, (5287), 4027 states have internal predecessors, (5287), 1693 states have call successors, (1693), 664 states have call predecessors, (1693), 659 states have return successors, (1706), 1636 states have call predecessors, (1706), 1690 states have call successors, (1706) [2022-11-19 07:05:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8686 transitions. [2022-11-19 07:05:55,492 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8686 transitions. Word has length 114 [2022-11-19 07:05:55,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:55,495 INFO L495 AbstractCegarLoop]: Abstraction has 6262 states and 8686 transitions. [2022-11-19 07:05:55,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8686 transitions. [2022-11-19 07:05:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-19 07:05:55,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:55,517 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:55,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:05:55,518 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:05:55,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:55,519 INFO L85 PathProgramCache]: Analyzing trace with hash -2045695614, now seen corresponding path program 1 times [2022-11-19 07:05:55,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:55,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239010841] [2022-11-19 07:05:55,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-19 07:05:55,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:55,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239010841] [2022-11-19 07:05:55,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239010841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:55,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:55,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:55,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834801771] [2022-11-19 07:05:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:55,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:55,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:55,948 INFO L87 Difference]: Start difference. First operand 6262 states and 8686 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:06:01,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:01,271 INFO L93 Difference]: Finished difference Result 13941 states and 19731 transitions. [2022-11-19 07:06:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:06:01,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2022-11-19 07:06:01,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:01,325 INFO L225 Difference]: With dead ends: 13941 [2022-11-19 07:06:01,326 INFO L226 Difference]: Without dead ends: 7691 [2022-11-19 07:06:01,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:06:01,357 INFO L413 NwaCegarLoop]: 976 mSDtfsCounter, 1106 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:01,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1740 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:06:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7691 states. [2022-11-19 07:06:02,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7691 to 6270. [2022-11-19 07:06:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 3917 states have (on average 1.350268062292571) internal successors, (5289), 4035 states have internal predecessors, (5289), 1693 states have call successors, (1693), 664 states have call predecessors, (1693), 659 states have return successors, (1706), 1636 states have call predecessors, (1706), 1690 states have call successors, (1706) [2022-11-19 07:06:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 8688 transitions. [2022-11-19 07:06:02,069 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 8688 transitions. Word has length 138 [2022-11-19 07:06:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:02,070 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 8688 transitions. [2022-11-19 07:06:02,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:06:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 8688 transitions. [2022-11-19 07:06:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 07:06:02,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:02,084 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:02,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:06:02,085 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:06:02,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1862548578, now seen corresponding path program 1 times [2022-11-19 07:06:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:02,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161143610] [2022-11-19 07:06:02,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:02,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-19 07:06:02,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:02,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161143610] [2022-11-19 07:06:02,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161143610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:06:02,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:06:02,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:06:02,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988195084] [2022-11-19 07:06:02,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:06:02,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:06:02,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:06:02,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:06:02,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:06:02,350 INFO L87 Difference]: Start difference. First operand 6270 states and 8688 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 07:06:03,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:08,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:08,053 INFO L93 Difference]: Finished difference Result 15685 states and 21720 transitions. [2022-11-19 07:06:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:06:08,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 140 [2022-11-19 07:06:08,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:08,118 INFO L225 Difference]: With dead ends: 15685 [2022-11-19 07:06:08,118 INFO L226 Difference]: Without dead ends: 9427 [2022-11-19 07:06:08,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:06:08,151 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 733 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:08,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1990 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-19 07:06:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9427 states. [2022-11-19 07:06:09,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9427 to 9393. [2022-11-19 07:06:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9393 states, 5857 states have (on average 1.3508622161516135) internal successors, (7912), 6037 states have internal predecessors, (7912), 2538 states have call successors, (2538), 1004 states have call predecessors, (2538), 997 states have return successors, (2559), 2446 states have call predecessors, (2559), 2535 states have call successors, (2559) [2022-11-19 07:06:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9393 states to 9393 states and 13009 transitions. [2022-11-19 07:06:09,386 INFO L78 Accepts]: Start accepts. Automaton has 9393 states and 13009 transitions. Word has length 140 [2022-11-19 07:06:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:09,386 INFO L495 AbstractCegarLoop]: Abstraction has 9393 states and 13009 transitions. [2022-11-19 07:06:09,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 07:06:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 9393 states and 13009 transitions. [2022-11-19 07:06:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-19 07:06:09,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:09,406 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:09,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:06:09,407 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:06:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:09,408 INFO L85 PathProgramCache]: Analyzing trace with hash -811385699, now seen corresponding path program 1 times [2022-11-19 07:06:09,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:09,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511623741] [2022-11-19 07:06:09,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:09,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-19 07:06:09,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511623741] [2022-11-19 07:06:09,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511623741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:06:09,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:06:09,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:06:09,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934390556] [2022-11-19 07:06:09,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:06:09,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:06:09,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:06:09,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:06:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:06:09,737 INFO L87 Difference]: Start difference. First operand 9393 states and 13009 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 07:06:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:14,848 INFO L93 Difference]: Finished difference Result 22812 states and 31545 transitions. [2022-11-19 07:06:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:06:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 143 [2022-11-19 07:06:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:14,938 INFO L225 Difference]: With dead ends: 22812 [2022-11-19 07:06:14,938 INFO L226 Difference]: Without dead ends: 13431 [2022-11-19 07:06:14,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:06:14,981 INFO L413 NwaCegarLoop]: 1176 mSDtfsCounter, 679 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:14,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1752 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-19 07:06:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13431 states. [2022-11-19 07:06:16,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13431 to 13399. [2022-11-19 07:06:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13399 states, 8409 states have (on average 1.3517659650374598) internal successors, (11367), 8642 states have internal predecessors, (11367), 3523 states have call successors, (3523), 1473 states have call predecessors, (3523), 1466 states have return successors, (3544), 3415 states have call predecessors, (3544), 3520 states have call successors, (3544) [2022-11-19 07:06:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13399 states to 13399 states and 18434 transitions. [2022-11-19 07:06:16,576 INFO L78 Accepts]: Start accepts. Automaton has 13399 states and 18434 transitions. Word has length 143 [2022-11-19 07:06:16,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:16,577 INFO L495 AbstractCegarLoop]: Abstraction has 13399 states and 18434 transitions. [2022-11-19 07:06:16,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 07:06:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 13399 states and 18434 transitions. [2022-11-19 07:06:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-19 07:06:16,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:16,607 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:16,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:06:16,608 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:06:16,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:16,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1392641125, now seen corresponding path program 1 times [2022-11-19 07:06:16,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:16,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213574734] [2022-11-19 07:06:16,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:16,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-19 07:06:17,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:17,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213574734] [2022-11-19 07:06:17,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213574734] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:06:17,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522681421] [2022-11-19 07:06:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:17,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:06:17,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:06:17,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:06:17,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:06:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:18,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 07:06:18,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:06:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-19 07:06:19,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:06:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 07:06:19,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522681421] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 07:06:19,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:06:19,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 5] total 11 [2022-11-19 07:06:19,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468541304] [2022-11-19 07:06:19,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:06:19,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:06:19,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:06:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:06:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:06:19,650 INFO L87 Difference]: Start difference. First operand 13399 states and 18434 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:06:20,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:27,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:30,684 INFO L93 Difference]: Finished difference Result 36559 states and 51904 transitions. [2022-11-19 07:06:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:06:30,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 166 [2022-11-19 07:06:30,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:30,815 INFO L225 Difference]: With dead ends: 36559 [2022-11-19 07:06:30,815 INFO L226 Difference]: Without dead ends: 23172 [2022-11-19 07:06:30,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:06:30,870 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 1153 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:30,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 2293 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-19 07:06:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23172 states. [2022-11-19 07:06:32,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23172 to 17435. [2022-11-19 07:06:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17435 states, 10952 states have (on average 1.3530861943024106) internal successors, (14819), 11217 states have internal predecessors, (14819), 4529 states have call successors, (4529), 1963 states have call predecessors, (4529), 1953 states have return successors, (4550), 4414 states have call predecessors, (4550), 4526 states have call successors, (4550) [2022-11-19 07:06:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17435 states to 17435 states and 23898 transitions. [2022-11-19 07:06:32,818 INFO L78 Accepts]: Start accepts. Automaton has 17435 states and 23898 transitions. Word has length 166 [2022-11-19 07:06:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:32,819 INFO L495 AbstractCegarLoop]: Abstraction has 17435 states and 23898 transitions. [2022-11-19 07:06:32,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:06:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 17435 states and 23898 transitions. [2022-11-19 07:06:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-19 07:06:32,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:32,848 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:32,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:06:33,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:06:33,068 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:06:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash -756448121, now seen corresponding path program 1 times [2022-11-19 07:06:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:33,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730515600] [2022-11-19 07:06:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-19 07:06:34,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:34,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730515600] [2022-11-19 07:06:34,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730515600] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:06:34,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271944021] [2022-11-19 07:06:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:34,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:06:34,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:06:34,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:06:34,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:06:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:35,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:06:35,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:06:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:06:36,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:06:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-19 07:06:36,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271944021] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:06:36,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [170892729] [2022-11-19 07:06:36,581 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2022-11-19 07:06:36,582 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:06:36,588 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:06:36,596 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:06:36,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:06:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:38,783 INFO L217 Elim1Store]: Index analysis took 137 ms [2022-11-19 07:06:38,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-19 07:06:39,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:39,304 INFO L217 Elim1Store]: Index analysis took 167 ms [2022-11-19 07:06:45,268 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 742 DAG size of output: 405 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:06:45,280 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-19 07:06:45,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-19 07:06:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,044 INFO L217 Elim1Store]: Index analysis took 208 ms [2022-11-19 07:06:47,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-19 07:06:47,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:47,864 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-11-19 07:06:48,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-19 07:06:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:48,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-19 07:06:48,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-19 07:06:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:49,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-19 07:06:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:51,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:06:52,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:52,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:06:52,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:06:52,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:06:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:54,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:06:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:06:54,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:06:55,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:06:55,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:07:08,605 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 126 for LOIs [2022-11-19 07:07:08,669 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:07:31,386 WARN L233 SmtUtils]: Spent 21.07s on a formula simplification. DAG size of input: 1007 DAG size of output: 871 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:07:40,279 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 635 DAG size of output: 632 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:07:48,162 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 639 DAG size of output: 636 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:07:56,369 WARN L233 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 647 DAG size of output: 640 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:04,762 WARN L233 SmtUtils]: Spent 8.01s on a formula simplification. DAG size of input: 657 DAG size of output: 650 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:13,447 WARN L233 SmtUtils]: Spent 8.27s on a formula simplification. DAG size of input: 665 DAG size of output: 655 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:22,363 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 675 DAG size of output: 665 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:31,441 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification. DAG size of input: 683 DAG size of output: 670 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:40,787 WARN L233 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 687 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:08:50,277 WARN L233 SmtUtils]: Spent 8.94s on a formula simplification. DAG size of input: 695 DAG size of output: 679 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:00,162 WARN L233 SmtUtils]: Spent 9.30s on a formula simplification. DAG size of input: 709 DAG size of output: 693 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:00,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [170892729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:00,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:09:00,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 6, 7] total 28 [2022-11-19 07:09:00,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390179742] [2022-11-19 07:09:00,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:00,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-19 07:09:00,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:00,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-19 07:09:00,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:09:00,180 INFO L87 Difference]: Start difference. First operand 17435 states and 23898 transitions. Second operand has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-19 07:09:19,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:09:37,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:09:47,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:09,586 INFO L93 Difference]: Finished difference Result 34896 states and 47842 transitions. [2022-11-19 07:10:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-19 07:10:09,588 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 166 [2022-11-19 07:10:09,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:09,677 INFO L225 Difference]: With dead ends: 34896 [2022-11-19 07:10:09,678 INFO L226 Difference]: Without dead ends: 17473 [2022-11-19 07:10:09,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 111.7s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:10:09,725 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 29 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 23 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:09,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3177 Invalid, 1663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 1638 Invalid, 2 Unknown, 0 Unchecked, 67.8s Time] [2022-11-19 07:10:09,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17473 states. [2022-11-19 07:10:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17473 to 17459. [2022-11-19 07:10:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17459 states, 10966 states have (on average 1.3527266095203356) internal successors, (14834), 11231 states have internal predecessors, (14834), 4537 states have call successors, (4537), 1964 states have call predecessors, (4537), 1955 states have return successors, (4566), 4423 states have call predecessors, (4566), 4534 states have call successors, (4566) [2022-11-19 07:10:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17459 states to 17459 states and 23937 transitions. [2022-11-19 07:10:11,605 INFO L78 Accepts]: Start accepts. Automaton has 17459 states and 23937 transitions. Word has length 166 [2022-11-19 07:10:11,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:11,606 INFO L495 AbstractCegarLoop]: Abstraction has 17459 states and 23937 transitions. [2022-11-19 07:10:11,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-19 07:10:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 17459 states and 23937 transitions. [2022-11-19 07:10:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-19 07:10:11,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:11,638 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:11,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 07:10:11,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:10:11,851 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:11,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:11,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2008501983, now seen corresponding path program 1 times [2022-11-19 07:10:11,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:11,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867530625] [2022-11-19 07:10:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:11,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-19 07:10:12,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867530625] [2022-11-19 07:10:12,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867530625] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:10:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081517351] [2022-11-19 07:10:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:12,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:10:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:10:12,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:10:13,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:10:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:13,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:10:13,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:10:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-19 07:10:14,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:10:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-19 07:10:14,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081517351] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:10:14,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1890543947] [2022-11-19 07:10:14,914 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2022-11-19 07:10:14,915 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:10:14,916 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:10:14,917 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:10:14,917 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:10:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,072 INFO L217 Elim1Store]: Index analysis took 202 ms [2022-11-19 07:10:16,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-19 07:10:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:16,699 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-19 07:10:16,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-19 07:10:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-19 07:10:17,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-19 07:10:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:17,663 INFO L217 Elim1Store]: Index analysis took 321 ms [2022-11-19 07:10:24,692 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 742 DAG size of output: 405 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:10:24,694 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-19 07:10:24,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-19 07:10:25,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:25,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-19 07:10:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:26,921 INFO L217 Elim1Store]: Index analysis took 214 ms [2022-11-19 07:10:26,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-19 07:10:29,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:10:29,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:10:29,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:10:29,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:10:31,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:10:31,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:10:31,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:31,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:10:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:32,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:10:41,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:10:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 558 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 425 treesize of output 559 [2022-11-19 07:10:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:42,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 558 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 561 [2022-11-19 07:10:44,509 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 0 case distinctions, treesize of input 2777 treesize of output 2776 [2022-11-19 07:10:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,482 INFO L321 Elim1Store]: treesize reduction 100, result has 13.0 percent of original size [2022-11-19 07:10:45,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 47 select indices, 47 select index equivalence classes, 645 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 48 case distinctions, treesize of input 2779 treesize of output 2644 [2022-11-19 07:10:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:46,342 INFO L321 Elim1Store]: treesize reduction 96, result has 13.5 percent of original size [2022-11-19 07:10:46,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 47 select indices, 47 select index equivalence classes, 645 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 48 case distinctions, treesize of input 2777 treesize of output 2642 [2022-11-19 07:10:48,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:10:48,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:10:48,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:11:13,333 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 126 for LOIs [2022-11-19 07:11:13,369 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 131 for LOIs [2022-11-19 07:11:13,405 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:11:32,422 WARN L233 SmtUtils]: Spent 17.67s on a formula simplification. DAG size of input: 1007 DAG size of output: 871 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:11:39,432 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 635 DAG size of output: 632 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:11:45,623 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 639 DAG size of output: 636 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:11:52,079 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 647 DAG size of output: 640 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:11:58,603 WARN L233 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 657 DAG size of output: 650 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:12:05,389 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 665 DAG size of output: 655 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:12:12,491 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 675 DAG size of output: 665 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:12:19,752 WARN L233 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 683 DAG size of output: 670 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:12:27,136 WARN L233 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 687 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:12:34,721 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 695 DAG size of output: 679 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:13:12,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1890543947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:13:12,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:13:12,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [5, 6, 7] total 44 [2022-11-19 07:13:12,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679449744] [2022-11-19 07:13:12,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:13:12,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-19 07:13:12,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:13:12,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-19 07:13:12,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1572, Unknown=0, NotChecked=0, Total=1892 [2022-11-19 07:13:12,286 INFO L87 Difference]: Start difference. First operand 17459 states and 23937 transitions. Second operand has 32 states, 26 states have (on average 3.076923076923077) internal successors, (80), 23 states have internal predecessors, (80), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-11-19 07:14:04,235 WARN L233 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 739 DAG size of output: 706 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:14:13,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:31,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:31,663 INFO L93 Difference]: Finished difference Result 34927 states and 47883 transitions. [2022-11-19 07:14:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-19 07:14:31,663 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 26 states have (on average 3.076923076923077) internal successors, (80), 23 states have internal predecessors, (80), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 167 [2022-11-19 07:14:31,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:31,729 INFO L225 Difference]: With dead ends: 34927 [2022-11-19 07:14:31,729 INFO L226 Difference]: Without dead ends: 17504 [2022-11-19 07:14:31,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 127.9s TimeCoverageRelationStatistics Valid=332, Invalid=1648, Unknown=0, NotChecked=0, Total=1980 [2022-11-19 07:14:31,769 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 57 mSDsluCounter, 7382 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 8076 SdHoareTripleChecker+Invalid, 5183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 5157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:31,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 8076 Invalid, 5183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 5157 Invalid, 0 Unknown, 0 Unchecked, 69.1s Time] [2022-11-19 07:14:31,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17504 states. [2022-11-19 07:14:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17504 to 17483. [2022-11-19 07:14:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17483 states, 10988 states have (on average 1.3526574444848927) internal successors, (14863), 11253 states have internal predecessors, (14863), 4538 states have call successors, (4538), 1965 states have call predecessors, (4538), 1956 states have return successors, (4568), 4424 states have call predecessors, (4568), 4535 states have call successors, (4568) [2022-11-19 07:14:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17483 states to 17483 states and 23969 transitions. [2022-11-19 07:14:33,078 INFO L78 Accepts]: Start accepts. Automaton has 17483 states and 23969 transitions. Word has length 167 [2022-11-19 07:14:33,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:33,079 INFO L495 AbstractCegarLoop]: Abstraction has 17483 states and 23969 transitions. [2022-11-19 07:14:33,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 26 states have (on average 3.076923076923077) internal successors, (80), 23 states have internal predecessors, (80), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-11-19 07:14:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17483 states and 23969 transitions. [2022-11-19 07:14:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-19 07:14:33,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:33,108 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:33,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:14:33,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 07:14:33,317 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:14:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash -804831984, now seen corresponding path program 1 times [2022-11-19 07:14:33,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:33,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749638024] [2022-11-19 07:14:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:33,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-19 07:14:34,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:34,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749638024] [2022-11-19 07:14:34,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749638024] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:14:34,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510306425] [2022-11-19 07:14:34,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:34,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:34,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:14:34,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:14:34,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:14:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:34,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:14:34,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:14:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:14:35,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:14:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-19 07:14:35,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510306425] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:14:35,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [293880434] [2022-11-19 07:14:35,432 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2022-11-19 07:14:35,432 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:14:35,433 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:14:35,433 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:14:35,433 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:14:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:39,533 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-19 07:14:39,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-19 07:14:39,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:39,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-19 07:14:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:40,723 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-19 07:14:40,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-19 07:14:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-19 07:14:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:41,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-19 07:14:41,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-19 07:14:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:42,829 INFO L217 Elim1Store]: Index analysis took 117 ms [2022-11-19 07:14:42,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-19 07:14:44,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:14:44,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:14:44,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:14:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:44,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:14:44,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:14:44,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:14:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:45,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:14:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:47,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:14:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:47,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:14:47,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:14:47,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:14:49,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:14:49,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:14:49,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:14:50,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:14:50,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:14:50,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:14:56,517 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 245 for LOIs [2022-11-19 07:14:56,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:14:56,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:14:56,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:14:59,007 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 273 for LOIs [2022-11-19 07:14:59,326 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:17,374 WARN L233 SmtUtils]: Spent 16.75s on a formula simplification. DAG size of input: 1007 DAG size of output: 871 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:15:45,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [293880434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:45,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:15:45,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 6, 7] total 32 [2022-11-19 07:15:45,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508644532] [2022-11-19 07:15:45,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:45,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-19 07:15:45,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:45,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-19 07:15:45,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=809, Unknown=0, NotChecked=0, Total=992 [2022-11-19 07:15:45,728 INFO L87 Difference]: Start difference. First operand 17483 states and 23969 transitions. Second operand has 20 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2022-11-19 07:16:13,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:16:38,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:16:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:53,828 INFO L93 Difference]: Finished difference Result 34917 states and 47864 transitions. [2022-11-19 07:16:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-19 07:16:53,828 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 170 [2022-11-19 07:16:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:53,883 INFO L225 Difference]: With dead ends: 34917 [2022-11-19 07:16:53,883 INFO L226 Difference]: Without dead ends: 17494 [2022-11-19 07:16:53,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 54.6s TimeCoverageRelationStatistics Valid=272, Invalid=1288, Unknown=0, NotChecked=0, Total=1560 [2022-11-19 07:16:53,941 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 20 mSDsluCounter, 6623 mSDsCounter, 0 mSdLazyCounter, 3025 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 7293 SdHoareTripleChecker+Invalid, 3314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 282 IncrementalHoareTripleChecker+Unchecked, 58.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:16:53,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 7293 Invalid, 3314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 3025 Invalid, 1 Unknown, 282 Unchecked, 58.7s Time] [2022-11-19 07:16:53,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17494 states. [2022-11-19 07:16:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17494 to 17492. [2022-11-19 07:16:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17492 states, 10994 states have (on average 1.3525559396034201) internal successors, (14870), 11259 states have internal predecessors, (14870), 4539 states have call successors, (4539), 1967 states have call predecessors, (4539), 1958 states have return successors, (4569), 4425 states have call predecessors, (4569), 4536 states have call successors, (4569) [2022-11-19 07:16:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17492 states to 17492 states and 23978 transitions. [2022-11-19 07:16:55,569 INFO L78 Accepts]: Start accepts. Automaton has 17492 states and 23978 transitions. Word has length 170 [2022-11-19 07:16:55,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:55,569 INFO L495 AbstractCegarLoop]: Abstraction has 17492 states and 23978 transitions. [2022-11-19 07:16:55,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2022-11-19 07:16:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 17492 states and 23978 transitions. [2022-11-19 07:16:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-19 07:16:55,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:55,592 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:16:55,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:55,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-19 07:16:55,800 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:16:55,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash 508602230, now seen corresponding path program 1 times [2022-11-19 07:16:55,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:55,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552024533] [2022-11-19 07:16:55,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-19 07:16:56,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:56,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552024533] [2022-11-19 07:16:56,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552024533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:16:56,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160443814] [2022-11-19 07:16:56,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:56,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:56,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:56,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:56,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ec0506-6588-4e74-a34f-f6b178cc03e5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:16:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:57,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1927 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:16:57,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-19 07:16:57,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:16:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-19 07:16:57,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160443814] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:16:57,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [795606987] [2022-11-19 07:16:57,927 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2022-11-19 07:16:57,927 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:16:57,927 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:16:57,928 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:16:57,928 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:58,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:58,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-19 07:16:58,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:01,450 INFO L321 Elim1Store]: treesize reduction 670, result has 47.4 percent of original size [2022-11-19 07:17:01,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2280 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 67 case distinctions, treesize of input 347 treesize of output 818 [2022-11-19 07:17:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:01,896 INFO L217 Elim1Store]: Index analysis took 117 ms [2022-11-19 07:17:05,741 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-19 07:17:05,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-19 07:17:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:06,791 INFO L217 Elim1Store]: Index analysis took 152 ms [2022-11-19 07:17:07,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-19 07:17:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-19 07:17:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:07,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-19 07:17:07,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-19 07:17:09,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:17:09,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:17:09,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:17:09,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:17:09,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:17:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:10,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:17:10,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:10,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:17:12,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-19 07:17:12,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-19 07:17:12,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:12,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:17:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:12,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-19 07:17:19,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:17:19,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:20,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:25,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:25,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:17:25,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:28,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:17:28,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:28,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:29,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:29,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:29,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:17:32,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:17:32,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:17:32,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:17:32,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:17:32,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:17:32,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:17:33,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:17:33,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:17:33,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:17:54,521 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1142 for LOIs [2022-11-19 07:17:59,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:18:01,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:18:02,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:18:21,593 WARN L233 SmtUtils]: Spent 17.86s on a formula simplification. DAG size of input: 899 DAG size of output: 689 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:18:21,595 INFO L321 Elim1Store]: treesize reduction 828, result has 58.5 percent of original size [2022-11-19 07:18:21,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 69 select indices, 69 select index equivalence classes, 2279 disjoint index pairs (out of 2346 index pairs), introduced 70 new quantified variables, introduced 137 case distinctions, treesize of input 2418 treesize of output 3448 [2022-11-19 07:18:22,649 INFO L217 Elim1Store]: Index analysis took 404 ms