./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.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_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/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_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/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_8e98ff26-6a98-480a-8446-dfd444919bf4/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 cb4cf2f7b619bb65636b8158cc0f6ae5cf90699f1f1c19bf802021a20c422d2c --- 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 08:15:54,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:15:54,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:15:54,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:15:54,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:15:54,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:15:54,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:15:54,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:15:54,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:15:54,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:15:54,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:15:54,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:15:54,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:15:54,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:15:54,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:15:54,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:15:54,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:15:54,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:15:54,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:15:54,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:15:54,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:15:54,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:15:54,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:15:54,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:15:54,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:15:54,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:15:54,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:15:54,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:15:54,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:15:54,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:15:54,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:15:54,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:15:54,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:15:54,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:15:54,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:15:54,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:15:54,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:15:54,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:15:54,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:15:54,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:15:54,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:15:54,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:15:54,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:15:54,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:15:54,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:15:54,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:15:54,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:15:54,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:15:54,587 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:15:54,587 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:15:54,588 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:15:54,588 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:15:54,589 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:15:54,589 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:15:54,589 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:15:54,590 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:15:54,590 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:15:54,590 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:15:54,590 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:15:54,590 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:15:54,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:15:54,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:15:54,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:15:54,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:15:54,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:15:54,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:15:54,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:15:54,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:15:54,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:15:54,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:15:54,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:15:54,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:54,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:15:54,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:15:54,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:15:54,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:15:54,595 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:15:54,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:15:54,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:15:54,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:15:54,596 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_8e98ff26-6a98-480a-8446-dfd444919bf4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb4cf2f7b619bb65636b8158cc0f6ae5cf90699f1f1c19bf802021a20c422d2c [2022-11-19 08:15:54,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:15:54,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:15:54,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:15:54,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:15:54,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:15:54,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2022-11-19 08:15:54,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/data/efe2a223f/0e518049e7424f27826991d0ed3968a8/FLAGaa8834536 [2022-11-19 08:15:55,743 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:15:55,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2022-11-19 08:15:55,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/data/efe2a223f/0e518049e7424f27826991d0ed3968a8/FLAGaa8834536 [2022-11-19 08:15:55,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/data/efe2a223f/0e518049e7424f27826991d0ed3968a8 [2022-11-19 08:15:55,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:15:55,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:15:55,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:55,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:15:55,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:15:55,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:55" (1/1) ... [2022-11-19 08:15:55,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c352934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:55, skipping insertion in model container [2022-11-19 08:15:55,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:55" (1/1) ... [2022-11-19 08:15:55,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:15:55,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:15:56,673 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_8e98ff26-6a98-480a-8446-dfd444919bf4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i[153287,153300] [2022-11-19 08:15:56,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:15:56,917 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:15:57,141 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_8e98ff26-6a98-480a-8446-dfd444919bf4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i[153287,153300] [2022-11-19 08:15:57,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:15:57,281 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:15:57,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57 WrapperNode [2022-11-19 08:15:57,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:57,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:15:57,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:15:57,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:15:57,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,396 INFO L138 Inliner]: procedures = 82, calls = 140, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 461 [2022-11-19 08:15:57,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:15:57,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:15:57,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:15:57,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:15:57,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,498 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:15:57,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:15:57,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:15:57,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:15:57,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:57,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:57,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:15:57,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:15:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:15:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:15:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:15:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:15:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:15:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:15:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:15:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:15:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:15:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:15:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-19 08:15:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-19 08:15:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:15:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:15:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:15:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:15:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:15:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:15:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-19 08:15:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-19 08:15:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:15:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:15:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:15:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:15:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:15:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:15:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:15:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:15:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:15:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-19 08:15:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-19 08:15:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:15:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:15:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:15:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:15:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:15:57,935 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:15:57,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:15:58,045 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:15:58,792 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:15:58,930 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:15:58,931 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:15:58,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:58 BoogieIcfgContainer [2022-11-19 08:15:58,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:15:58,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:15:58,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:15:58,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:15:58,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:15:55" (1/3) ... [2022-11-19 08:15:58,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6196e68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:15:58, skipping insertion in model container [2022-11-19 08:15:58,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57" (2/3) ... [2022-11-19 08:15:58,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6196e68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:15:58, skipping insertion in model container [2022-11-19 08:15:58,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:58" (3/3) ... [2022-11-19 08:15:58,944 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2022-11-19 08:15:58,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:15:58,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:15:59,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:15:59,029 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;@a68a1aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:15:59,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:15:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 85 states have (on average 1.4823529411764707) internal successors, (126), 90 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-19 08:15:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 08:15:59,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:59,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:59,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:59,054 INFO L85 PathProgramCache]: Analyzing trace with hash -392250644, now seen corresponding path program 1 times [2022-11-19 08:15:59,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:59,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936428541] [2022-11-19 08:15:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:59,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:59,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:59,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936428541] [2022-11-19 08:15:59,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936428541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:59,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:15:59,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:15:59,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906368577] [2022-11-19 08:15:59,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:59,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:15:59,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:59,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:15:59,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:15:59,558 INFO L87 Difference]: Start difference. First operand has 118 states, 85 states have (on average 1.4823529411764707) internal successors, (126), 90 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:15:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:59,933 INFO L93 Difference]: Finished difference Result 331 states and 475 transitions. [2022-11-19 08:15:59,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:15:59,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-19 08:15:59,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:59,950 INFO L225 Difference]: With dead ends: 331 [2022-11-19 08:15:59,955 INFO L226 Difference]: Without dead ends: 207 [2022-11-19 08:15:59,961 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 08:15:59,972 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 134 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:59,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 279 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:15:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-11-19 08:16:00,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2022-11-19 08:16:00,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 156 states have (on average 1.3846153846153846) internal successors, (216), 156 states have internal predecessors, (216), 34 states have call successors, (34), 17 states have call predecessors, (34), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-19 08:16:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 283 transitions. [2022-11-19 08:16:00,074 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 283 transitions. Word has length 18 [2022-11-19 08:16:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:00,075 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 283 transitions. [2022-11-19 08:16:00,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:16:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 283 transitions. [2022-11-19 08:16:00,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:16:00,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:00,079 INFO L195 NwaCegarLoop]: trace histogram [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 08:16:00,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:16:00,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:00,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:00,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1065576068, now seen corresponding path program 1 times [2022-11-19 08:16:00,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:00,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470265721] [2022-11-19 08:16:00,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:00,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:00,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:00,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470265721] [2022-11-19 08:16:00,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470265721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:00,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:00,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:16:00,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570153298] [2022-11-19 08:16:00,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:00,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:16:00,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:16:00,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:00,296 INFO L87 Difference]: Start difference. First operand 207 states and 283 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:16:00,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:00,487 INFO L93 Difference]: Finished difference Result 411 states and 562 transitions. [2022-11-19 08:16:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:16:00,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-19 08:16:00,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:00,490 INFO L225 Difference]: With dead ends: 411 [2022-11-19 08:16:00,493 INFO L226 Difference]: Without dead ends: 208 [2022-11-19 08:16:00,495 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 08:16:00,500 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:00,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:16:00,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-19 08:16:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2022-11-19 08:16:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 157 states have (on average 1.3821656050955413) internal successors, (217), 157 states have internal predecessors, (217), 34 states have call successors, (34), 17 states have call predecessors, (34), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-19 08:16:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 284 transitions. [2022-11-19 08:16:00,530 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 284 transitions. Word has length 22 [2022-11-19 08:16:00,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:00,530 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 284 transitions. [2022-11-19 08:16:00,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:16:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 284 transitions. [2022-11-19 08:16:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 08:16:00,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:00,532 INFO L195 NwaCegarLoop]: trace histogram [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 08:16:00,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:16:00,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:00,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:00,534 INFO L85 PathProgramCache]: Analyzing trace with hash 102075255, now seen corresponding path program 1 times [2022-11-19 08:16:00,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:00,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130046120] [2022-11-19 08:16:00,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:00,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:00,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:00,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130046120] [2022-11-19 08:16:00,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130046120] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:00,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504350819] [2022-11-19 08:16:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:00,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:00,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:16:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:00,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:16:00,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:00,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:16:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:01,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504350819] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:16:01,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [538379652] [2022-11-19 08:16:01,030 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-19 08:16:01,031 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:16:01,036 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:16:01,042 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:16:01,044 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:16:01,271 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 53 treesize of output 47 [2022-11-19 08:16:01,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,477 INFO L321 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2022-11-19 08:16:01,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 110 [2022-11-19 08:16:01,551 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 53 treesize of output 47 [2022-11-19 08:16:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,806 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-19 08:16:01,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-19 08:16:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,159 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 56 treesize of output 34 [2022-11-19 08:16:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:16:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:16:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:16:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,522 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 56 treesize of output 34 [2022-11-19 08:16:02,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:16:02,844 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-19 08:16:03,181 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:16:06,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [538379652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:06,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:16:06,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4] total 13 [2022-11-19 08:16:06,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081556814] [2022-11-19 08:16:06,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:06,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:16:06,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:06,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:16:06,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:16:06,760 INFO L87 Difference]: Start difference. First operand 208 states and 284 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:16:07,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:07,506 INFO L93 Difference]: Finished difference Result 418 states and 570 transitions. [2022-11-19 08:16:07,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:16:07,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-19 08:16:07,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:07,511 INFO L225 Difference]: With dead ends: 418 [2022-11-19 08:16:07,511 INFO L226 Difference]: Without dead ends: 214 [2022-11-19 08:16:07,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:16:07,513 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 2 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 98 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:07,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 453 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 98 Unchecked, 0.7s Time] [2022-11-19 08:16:07,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-11-19 08:16:07,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2022-11-19 08:16:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 162 states have (on average 1.376543209876543) internal successors, (223), 161 states have internal predecessors, (223), 34 states have call successors, (34), 18 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-19 08:16:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 291 transitions. [2022-11-19 08:16:07,545 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 291 transitions. Word has length 23 [2022-11-19 08:16:07,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:07,545 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 291 transitions. [2022-11-19 08:16:07,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:16:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 291 transitions. [2022-11-19 08:16:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 08:16:07,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:07,548 INFO L195 NwaCegarLoop]: trace histogram [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 08:16:07,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:07,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:07,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash 737573919, now seen corresponding path program 1 times [2022-11-19 08:16:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:07,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532279799] [2022-11-19 08:16:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:16:07,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:07,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532279799] [2022-11-19 08:16:07,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532279799] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:07,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320814377] [2022-11-19 08:16:07,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:07,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:07,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:07,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:07,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:16:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:08,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:16:08,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:16:08,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:16:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:16:08,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320814377] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:16:08,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [614400544] [2022-11-19 08:16:08,252 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-19 08:16:08,252 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:16:08,253 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:16:08,253 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:16:08,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:16:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:08,527 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-19 08:16:08,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-19 08:16:08,566 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 53 treesize of output 47 [2022-11-19 08:16:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:08,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2022-11-19 08:16:08,628 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 53 treesize of output 47 [2022-11-19 08:16:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:08,811 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 56 treesize of output 34 [2022-11-19 08:16:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:08,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:08,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:16:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:08,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:16:09,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,034 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 56 treesize of output 34 [2022-11-19 08:16:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:16:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:16:09,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2022-11-19 08:16:09,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-19 08:16:09,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-19 08:16:09,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2022-11-19 08:16:09,359 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 11 treesize of output 7 [2022-11-19 08:16:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,760 INFO L321 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-11-19 08:16:09,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 558 treesize of output 539 [2022-11-19 08:16:09,823 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:16:09,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 554 treesize of output 546 [2022-11-19 08:16:09,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:09,908 INFO L321 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2022-11-19 08:16:09,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 531 [2022-11-19 08:16:09,964 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:16:09,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 545 treesize of output 542 [2022-11-19 08:16:10,014 INFO L321 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2022-11-19 08:16:10,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 545 treesize of output 542 [2022-11-19 08:16:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,191 INFO L321 Elim1Store]: treesize reduction 59, result has 44.9 percent of original size [2022-11-19 08:16:12,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 554 treesize of output 570 [2022-11-19 08:16:12,275 INFO L321 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2022-11-19 08:16:12,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 517 treesize of output 513 [2022-11-19 08:16:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,416 INFO L321 Elim1Store]: treesize reduction 55, result has 48.6 percent of original size [2022-11-19 08:16:12,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 526 treesize of output 546 [2022-11-19 08:16:13,497 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 24 treesize of output 21 [2022-11-19 08:16:13,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:13,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2022-11-19 08:16:13,836 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:16,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 08:16:17,251 INFO L321 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2022-11-19 08:16:17,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 537 treesize of output 547 [2022-11-19 08:16:18,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2022-11-19 08:16:19,099 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:19,244 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 24 treesize of output 1 [2022-11-19 08:16:19,483 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:21,180 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:21,387 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-19 08:16:21,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 45 [2022-11-19 08:16:22,549 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-19 08:16:22,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2554 treesize of output 2556 [2022-11-19 08:16:35,649 INFO L321 Elim1Store]: treesize reduction 110, result has 46.6 percent of original size [2022-11-19 08:16:35,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 509 treesize of output 561 [2022-11-19 08:16:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:36,883 INFO L321 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2022-11-19 08:16:36,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 515 treesize of output 470 [2022-11-19 08:16:37,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:38,011 INFO L321 Elim1Store]: treesize reduction 110, result has 46.6 percent of original size [2022-11-19 08:16:38,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 131 [2022-11-19 08:16:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:38,618 INFO L321 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2022-11-19 08:16:38,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 507 treesize of output 462 [2022-11-19 08:16:44,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:44,423 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:44,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:44,733 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:44,821 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:44,911 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:16:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:45,587 INFO L321 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2022-11-19 08:16:45,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 1619 treesize of output 1486 [2022-11-19 08:16:46,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:46,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:46,533 INFO L321 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2022-11-19 08:16:46,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 415 treesize of output 372 [2022-11-19 08:16:46,947 INFO L321 Elim1Store]: treesize reduction 80, result has 61.2 percent of original size [2022-11-19 08:16:46,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 926 treesize of output 980 [2022-11-19 08:17:03,992 INFO L321 Elim1Store]: treesize reduction 112, result has 45.6 percent of original size [2022-11-19 08:17:03,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1040 treesize of output 1050 [2022-11-19 08:17:37,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 33 [2022-11-19 08:17:37,391 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 08:17:37,409 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 25 treesize of output 1 [2022-11-19 08:17:37,658 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-19 08:17:37,846 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:17:57,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [614400544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:57,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:17:57,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 22 [2022-11-19 08:17:57,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950378281] [2022-11-19 08:17:57,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:57,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 08:17:57,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:57,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 08:17:57,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2022-11-19 08:17:57,113 INFO L87 Difference]: Start difference. First operand 214 states and 291 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:18:00,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:00,345 INFO L93 Difference]: Finished difference Result 438 states and 597 transitions. [2022-11-19 08:18:00,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 08:18:00,347 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-19 08:18:00,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:00,348 INFO L225 Difference]: With dead ends: 438 [2022-11-19 08:18:00,348 INFO L226 Difference]: Without dead ends: 234 [2022-11-19 08:18:00,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 20.6s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2022-11-19 08:18:00,349 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 39 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:00,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 773 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 524 Invalid, 0 Unknown, 115 Unchecked, 1.8s Time] [2022-11-19 08:18:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-11-19 08:18:00,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 231. [2022-11-19 08:18:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 179 states have (on average 1.3743016759776536) internal successors, (246), 178 states have internal predecessors, (246), 34 states have call successors, (34), 18 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-19 08:18:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 314 transitions. [2022-11-19 08:18:00,383 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 314 transitions. Word has length 24 [2022-11-19 08:18:00,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:00,383 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 314 transitions. [2022-11-19 08:18:00,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:18:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 314 transitions. [2022-11-19 08:18:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 08:18:00,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:00,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 08:18:00,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 08:18:00,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:00,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1588125164, now seen corresponding path program 1 times [2022-11-19 08:18:00,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:00,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949965734] [2022-11-19 08:18:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:00,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:00,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:00,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949965734] [2022-11-19 08:18:00,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949965734] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:18:00,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033202350] [2022-11-19 08:18:00,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:00,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:00,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:00,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:18:00,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:18:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:00,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:18:00,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:18:00,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:00,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:18:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:00,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033202350] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:18:00,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [923737045] [2022-11-19 08:18:00,905 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-19 08:18:00,905 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:18:00,906 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:18:00,906 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:18:00,906 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:18:00,949 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 53 treesize of output 47 [2022-11-19 08:18:00,967 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 53 treesize of output 47 [2022-11-19 08:18:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,100 INFO L321 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2022-11-19 08:18:01,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 110 [2022-11-19 08:18:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,285 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-19 08:18:01,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-19 08:18:01,391 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 08:18:01,397 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 08:18:01,404 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 08:18:01,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,509 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 56 treesize of output 34 [2022-11-19 08:18:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:18:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:18:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,680 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 56 treesize of output 34 [2022-11-19 08:18:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:18:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:01,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:18:01,873 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-19 08:18:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-19 08:18:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,227 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:18:02,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 60 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 121 [2022-11-19 08:18:02,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-19 08:18:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-19 08:18:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,570 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:18:02,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 62 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 67 treesize of output 113 [2022-11-19 08:18:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:02,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-19 08:18:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-19 08:18:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,184 INFO L321 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2022-11-19 08:18:03,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 59 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 14 case distinctions, treesize of input 67 treesize of output 125 [2022-11-19 08:18:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:03,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-19 08:18:03,269 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 227 for LOIs [2022-11-19 08:18:03,326 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:18:09,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [923737045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:09,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:18:09,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 17 [2022-11-19 08:18:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24558405] [2022-11-19 08:18:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:09,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:18:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:09,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:18:09,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-19 08:18:09,786 INFO L87 Difference]: Start difference. First operand 231 states and 314 transitions. Second operand has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:18:10,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:10,528 INFO L93 Difference]: Finished difference Result 442 states and 599 transitions. [2022-11-19 08:18:10,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:18:10,530 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-19 08:18:10,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:10,531 INFO L225 Difference]: With dead ends: 442 [2022-11-19 08:18:10,532 INFO L226 Difference]: Without dead ends: 238 [2022-11-19 08:18:10,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-19 08:18:10,533 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 2 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 262 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:10,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 689 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 262 Unchecked, 0.7s Time] [2022-11-19 08:18:10,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-19 08:18:10,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-11-19 08:18:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 183 states have (on average 1.366120218579235) internal successors, (250), 183 states have internal predecessors, (250), 35 states have call successors, (35), 19 states have call predecessors, (35), 19 states have return successors, (35), 35 states have call predecessors, (35), 34 states have call successors, (35) [2022-11-19 08:18:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 320 transitions. [2022-11-19 08:18:10,568 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 320 transitions. Word has length 27 [2022-11-19 08:18:10,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:10,568 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 320 transitions. [2022-11-19 08:18:10,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:18:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 320 transitions. [2022-11-19 08:18:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 08:18:10,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:10,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 08:18:10,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:18:10,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:10,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:10,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash -439519158, now seen corresponding path program 1 times [2022-11-19 08:18:10,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:10,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456941629] [2022-11-19 08:18:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:10,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:18:10,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:10,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456941629] [2022-11-19 08:18:10,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456941629] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:18:10,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449910052] [2022-11-19 08:18:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:10,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:10,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:10,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:18:10,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e98ff26-6a98-480a-8446-dfd444919bf4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:18:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:11,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:18:11,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:18:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:18:11,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:18:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:18:11,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449910052] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:18:11,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1080748079] [2022-11-19 08:18:11,099 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-19 08:18:11,099 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:18:11,100 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:18:11,100 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:18:11,100 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:18:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,267 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-19 08:18:11,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-19 08:18:11,292 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 53 treesize of output 47 [2022-11-19 08:18:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2022-11-19 08:18:11,343 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 53 treesize of output 47 [2022-11-19 08:18:11,435 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 08:18:11,441 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 08:18:11,448 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 08:18:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,541 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 56 treesize of output 34 [2022-11-19 08:18:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:18:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:18:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-19 08:18:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,732 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 56 treesize of output 34 [2022-11-19 08:18:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-19 08:18:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 63 [2022-11-19 08:18:11,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-19 08:18:11,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:11,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2022-11-19 08:18:11,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 10 [2022-11-19 08:18:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:12,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2022-11-19 08:18:12,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 10 [2022-11-19 08:18:12,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:12,357 INFO L321 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-11-19 08:18:12,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 635 treesize of output 616 [2022-11-19 08:18:12,411 INFO L321 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2022-11-19 08:18:12,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 631 treesize of output 627 [2022-11-19 08:18:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:12,481 INFO L321 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2022-11-19 08:18:12,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 629 treesize of output 610 [2022-11-19 08:18:12,510 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 626 treesize of output 630 [2022-11-19 08:18:12,546 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 626 treesize of output 630 [2022-11-19 08:18:12,587 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 628 treesize of output 632 [2022-11-19 08:18:14,031 INFO L321 Elim1Store]: treesize reduction 62, result has 36.1 percent of original size [2022-11-19 08:18:14,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 626 treesize of output 651 [2022-11-19 08:18:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:14,210 INFO L321 Elim1Store]: treesize reduction 74, result has 39.3 percent of original size [2022-11-19 08:18:14,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 640 treesize of output 656 [2022-11-19 08:18:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:14,397 INFO L321 Elim1Store]: treesize reduction 70, result has 42.6 percent of original size [2022-11-19 08:18:14,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 616 treesize of output 636 [2022-11-19 08:18:15,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2022-11-19 08:18:16,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-11-19 08:18:17,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-11-19 08:18:19,770 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 193 treesize of output 171 [2022-11-19 08:18:21,764 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 193 treesize of output 171 [2022-11-19 08:18:23,815 INFO L321 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2022-11-19 08:18:23,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 573 treesize of output 545 [2022-11-19 08:18:24,748 INFO L321 Elim1Store]: treesize reduction 32, result has 39.6 percent of original size [2022-11-19 08:18:24,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 577 treesize of output 571 [2022-11-19 08:18:27,663 INFO L321 Elim1Store]: treesize reduction 43, result has 18.9 percent of original size [2022-11-19 08:18:27,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 573 treesize of output 556 [2022-11-19 08:18:28,452 INFO L321 Elim1Store]: treesize reduction 32, result has 39.6 percent of original size [2022-11-19 08:18:28,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 577 treesize of output 571 [2022-11-19 08:18:33,327 INFO L321 Elim1Store]: treesize reduction 22, result has 62.7 percent of original size [2022-11-19 08:18:33,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3080 treesize of output 3069 [2022-11-19 08:18:56,590 INFO L321 Elim1Store]: treesize reduction 49, result has 16.9 percent of original size [2022-11-19 08:18:56,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 5340 treesize of output 5297 [2022-11-19 08:19:09,895 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-19 08:19:09,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 7693 treesize of output 1 [2022-11-19 08:19:18,619 INFO L321 Elim1Store]: treesize reduction 45, result has 23.7 percent of original size [2022-11-19 08:19:18,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 5220 treesize of output 5180 [2022-11-19 08:19:27,078 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 08:19:27,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2950 treesize of output 1 [2022-11-19 08:19:27,275 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:27,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:27,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:27,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-19 08:19:27,938 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:28,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:28,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-19 08:19:28,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:28,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-19 08:19:28,644 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:28,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:28,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-19 08:19:29,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:32,068 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-19 08:19:32,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2368 treesize of output 1 [2022-11-19 08:19:49,158 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-19 08:19:49,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 2913 treesize of output 2680 [2022-11-19 08:19:56,910 INFO L321 Elim1Store]: treesize reduction 100, result has 62.4 percent of original size [2022-11-19 08:19:56,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1921 treesize of output 1951 [2022-11-19 08:20:38,635 INFO L321 Elim1Store]: treesize reduction 100, result has 62.4 percent of original size [2022-11-19 08:20:38,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1319 treesize of output 1389 [2022-11-19 08:21:39,864 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:21:39,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1224 treesize of output 1 [2022-11-19 08:21:45,955 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:21:45,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 2959 treesize of output 1 [2022-11-19 08:23:00,728 INFO L321 Elim1Store]: treesize reduction 120, result has 51.2 percent of original size [2022-11-19 08:23:00,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 6255 treesize of output 5975 [2022-11-19 08:24:44,158 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-19 08:24:44,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 7983 treesize of output 7390 [2022-11-19 08:25:04,537 INFO L321 Elim1Store]: treesize reduction 210, result has 14.6 percent of original size [2022-11-19 08:25:04,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 6255 treesize of output 5885 [2022-11-19 08:25:24,803 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:25:24,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 621 treesize of output 573 [2022-11-19 08:25:26,929 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:25:26,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1270 treesize of output 1182 [2022-11-19 08:25:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:29,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:29,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-19 08:25:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:31,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:31,929 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-19 08:25:31,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2022-11-19 08:25:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,328 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-19 08:25:32,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 85 [2022-11-19 08:25:32,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-19 08:25:33,044 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:33,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:33,473 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,079 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-19 08:25:34,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2022-11-19 08:25:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,547 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-19 08:25:34,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 85 [2022-11-19 08:25:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:34,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-19 08:25:35,337 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:35,602 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:35,885 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:36,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:36,601 INFO L321 Elim1Store]: treesize reduction 159, result has 0.6 percent of original size [2022-11-19 08:25:36,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1507 treesize of output 1 [2022-11-19 08:25:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:37,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:37,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:37,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:25:38,408 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:38,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:38,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:38,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:25:39,267 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:41,872 INFO L321 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2022-11-19 08:25:41,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 2574 treesize of output 2415 [2022-11-19 08:25:45,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:45,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:45,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-19 08:25:46,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:46,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:46,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-19 08:25:46,897 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:47,390 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:47,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:47,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-19 08:25:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:48,781 INFO L321 Elim1Store]: treesize reduction 159, result has 0.6 percent of original size [2022-11-19 08:25:48,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 2574 treesize of output 1 [2022-11-19 08:25:51,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:51,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:51,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 640 [2022-11-19 08:25:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:53,670 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-19 08:25:53,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2022-11-19 08:25:54,214 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:54,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:54,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-19 08:25:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:57,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:57,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:57,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:25:57,738 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:25:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:58,928 INFO L321 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2022-11-19 08:25:58,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 678 treesize of output 1 [2022-11-19 08:25:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:59,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:59,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-19 08:26:01,260 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:26:01,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 3841 treesize of output 3593 [2022-11-19 08:26:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:09,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:09,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-19 08:26:13,592 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:26:13,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 9242 treesize of output 1 [2022-11-19 08:26:23,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:23,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:23,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:24,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:24,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:24,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:24,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-19 08:26:26,151 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:26,949 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:27,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:27,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:28,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:28,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-19 08:26:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:30,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:30,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:30,678 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:31,578 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:31,870 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:32,091 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:32,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-19 08:26:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-19 08:26:33,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:33,964 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-19 08:26:33,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 1 [2022-11-19 08:26:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:34,493 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-19 08:26:34,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-11-19 08:26:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:35,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:35,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:35,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:35,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:36,142 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:36,422 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:36,733 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:37,147 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:37,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:37,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:37,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:37,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:37,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:37,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-19 08:26:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,498 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-19 08:26:38,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 1 [2022-11-19 08:26:38,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:38,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-19 08:26:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:39,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-19 08:26:40,653 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:41,044 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:41,383 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:41,805 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:42,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-19 08:26:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-19 08:26:43,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:43,688 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-19 08:26:43,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 1 [2022-11-19 08:26:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,405 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-19 08:26:44,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-11-19 08:26:44,993 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:45,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:45,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:46,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:46,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:47,259 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:48,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:48,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-19 08:26:48,802 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:55,448 INFO L321 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2022-11-19 08:26:55,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 4741 treesize of output 1 [2022-11-19 08:26:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:58,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:58,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1889 treesize of output 1797 [2022-11-19 08:27:00,988 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:01,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:01,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-19 08:27:02,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:02,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:02,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:02,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 663 treesize of output 651 [2022-11-19 08:27:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:04,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:04,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-19 08:27:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:05,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-19 08:27:06,530 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:07,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-19 08:27:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-19 08:27:09,888 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:12,964 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-19 08:27:12,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 666 treesize of output 618 [2022-11-19 08:27:14,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:15,605 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:28:09,052 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-19 08:28:09,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 5824 treesize of output 5310 [2022-11-19 08:28:32,160 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-19 08:28:32,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 5438 treesize of output 5025 [2022-11-19 08:29:50,470 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-19 08:29:55,033 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6079 conjuctions. This might take some time... [2022-11-19 08:30:41,906 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6079 conjuctions. [2022-11-19 08:30:47,962 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6