./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba --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 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- 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-b5237d8 [2022-11-22 02:45:23,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:45:23,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:45:23,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:45:23,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:45:23,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:45:23,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:45:23,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:45:23,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:45:23,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:45:23,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:45:23,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:45:23,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:45:23,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:45:23,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:45:23,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:45:23,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:45:23,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:45:23,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:45:23,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:45:23,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:45:23,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:45:23,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:45:23,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:45:23,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:45:23,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:45:23,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:45:23,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:45:23,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:45:23,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:45:23,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:45:23,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:45:23,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:45:23,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:45:23,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:45:23,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:45:23,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:45:23,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:45:23,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:45:23,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:45:23,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:45:23,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:45:23,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:45:23,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:45:23,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:45:23,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:45:23,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:45:23,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:45:23,586 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:45:23,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:45:23,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:45:23,587 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:45:23,587 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:45:23,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:45:23,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:45:23,588 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:45:23,588 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:45:23,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:45:23,589 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:45:23,589 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:45:23,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:45:23,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:45:23,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:45:23,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:45:23,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:45:23,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:45:23,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:45:23,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:45:23,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:45:23,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:45:23,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:45:23,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:23,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:45:23,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:45:23,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:45:23,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:45:23,595 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:45:23,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:45:23,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:45:23,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:45:23,596 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_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2022-11-22 02:45:23,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:45:23,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:45:23,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:45:23,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:45:23,972 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:45:23,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-22 02:45:27,433 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:45:27,957 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:45:27,958 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-22 02:45:27,994 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/data/5ad9a9d81/98b57ba3a5ac4bfa8e851f0b0483e0df/FLAG20fb5e12a [2022-11-22 02:45:28,013 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/data/5ad9a9d81/98b57ba3a5ac4bfa8e851f0b0483e0df [2022-11-22 02:45:28,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:45:28,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:45:28,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:28,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:45:28,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:45:28,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:28" (1/1) ... [2022-11-22 02:45:28,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78873ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:28, skipping insertion in model container [2022-11-22 02:45:28,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:28" (1/1) ... [2022-11-22 02:45:28,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:45:28,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:45:29,341 WARN L237 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_f222f241-9703-4c35-84d7-d8b119ae6988/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-11-22 02:45:29,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:29,459 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:45:29,823 WARN L237 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_f222f241-9703-4c35-84d7-d8b119ae6988/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-11-22 02:45:29,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:29,896 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:45:29,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29 WrapperNode [2022-11-22 02:45:29,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:29,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:29,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:45:29,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:45:29,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:29,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,068 INFO L138 Inliner]: procedures = 114, calls = 417, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 1200 [2022-11-22 02:45:30,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:30,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:45:30,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:45:30,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:45:30,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:45:30,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:45:30,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:45:30,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:45:30,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (1/1) ... [2022-11-22 02:45:30,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:30,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:45:30,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:45:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2022-11-22 02:45:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2022-11-22 02:45:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-22 02:45:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-22 02:45:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:45:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:45:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:45:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:45:30,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:45:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2022-11-22 02:45:30,334 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2022-11-22 02:45:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:45:30,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:45:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-22 02:45:30,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-22 02:45:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2022-11-22 02:45:30,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2022-11-22 02:45:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:45:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 02:45:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 02:45:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 02:45:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 02:45:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 02:45:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 02:45:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:45:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:45:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2022-11-22 02:45:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2022-11-22 02:45:30,340 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2022-11-22 02:45:30,340 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2022-11-22 02:45:30,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 02:45:30,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 02:45:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:45:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:45:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:45:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 02:45:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 02:45:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 02:45:30,342 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 02:45:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:45:30,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:45:30,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:45:30,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:45:30,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:45:30,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:45:30,344 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-22 02:45:30,344 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-22 02:45:30,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:45:30,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:45:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2022-11-22 02:45:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2022-11-22 02:45:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-22 02:45:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-22 02:45:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-22 02:45:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-22 02:45:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-22 02:45:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-22 02:45:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 02:45:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 02:45:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2022-11-22 02:45:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2022-11-22 02:45:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:45:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:45:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:45:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:45:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:45:30,870 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:45:30,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:45:31,355 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:45:32,536 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:45:32,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:45:32,881 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:45:32,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:32 BoogieIcfgContainer [2022-11-22 02:45:32,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:45:32,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:45:32,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:45:32,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:45:32,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:45:28" (1/3) ... [2022-11-22 02:45:32,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed64ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:32, skipping insertion in model container [2022-11-22 02:45:32,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:29" (2/3) ... [2022-11-22 02:45:32,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed64ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:32, skipping insertion in model container [2022-11-22 02:45:32,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:32" (3/3) ... [2022-11-22 02:45:32,908 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-22 02:45:32,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:45:32,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:45:33,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:45:33,038 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;@20857b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:45:33,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:45:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 182 states have (on average 1.39010989010989) internal successors, (253), 191 states have internal predecessors, (253), 79 states have call successors, (79), 27 states have call predecessors, (79), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-22 02:45:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-22 02:45:33,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:33,074 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:33,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:33,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:33,081 INFO L85 PathProgramCache]: Analyzing trace with hash -821374808, now seen corresponding path program 1 times [2022-11-22 02:45:33,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:33,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978038090] [2022-11-22 02:45:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:33,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-22 02:45:34,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:34,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978038090] [2022-11-22 02:45:34,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978038090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:34,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:34,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:45:34,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977260104] [2022-11-22 02:45:34,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:34,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:45:34,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:34,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:45:34,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:45:34,136 INFO L87 Difference]: Start difference. First operand has 289 states, 182 states have (on average 1.39010989010989) internal successors, (253), 191 states have internal predecessors, (253), 79 states have call successors, (79), 27 states have call predecessors, (79), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 02:45:34,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:34,849 INFO L93 Difference]: Finished difference Result 762 states and 1076 transitions. [2022-11-22 02:45:34,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:45:34,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2022-11-22 02:45:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:34,868 INFO L225 Difference]: With dead ends: 762 [2022-11-22 02:45:34,868 INFO L226 Difference]: Without dead ends: 497 [2022-11-22 02:45:34,875 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 [2022-11-22 02:45:34,887 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 327 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:34,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 727 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:45:34,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-11-22 02:45:34,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2022-11-22 02:45:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 322 states have (on average 1.375776397515528) internal successors, (443), 326 states have internal predecessors, (443), 122 states have call successors, (122), 50 states have call predecessors, (122), 49 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-11-22 02:45:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 685 transitions. [2022-11-22 02:45:34,998 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 685 transitions. Word has length 131 [2022-11-22 02:45:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:34,999 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 685 transitions. [2022-11-22 02:45:35,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 02:45:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 685 transitions. [2022-11-22 02:45:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-22 02:45:35,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:35,005 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:35,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:45:35,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:35,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:35,006 INFO L85 PathProgramCache]: Analyzing trace with hash -996015596, now seen corresponding path program 1 times [2022-11-22 02:45:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:35,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28088909] [2022-11-22 02:45:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:35,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-22 02:45:35,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:35,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28088909] [2022-11-22 02:45:35,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28088909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:35,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:35,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:45:35,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346021187] [2022-11-22 02:45:35,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:35,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:45:35,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:35,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:45:35,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:45:35,414 INFO L87 Difference]: Start difference. First operand 494 states and 685 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 02:45:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:35,980 INFO L93 Difference]: Finished difference Result 1387 states and 1936 transitions. [2022-11-22 02:45:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:45:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2022-11-22 02:45:35,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:35,991 INFO L225 Difference]: With dead ends: 1387 [2022-11-22 02:45:35,992 INFO L226 Difference]: Without dead ends: 925 [2022-11-22 02:45:36,001 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 [2022-11-22 02:45:36,005 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 338 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:36,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 680 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:45:36,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-11-22 02:45:36,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 921. [2022-11-22 02:45:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 608 states have (on average 1.3898026315789473) internal successors, (845), 615 states have internal predecessors, (845), 219 states have call successors, (219), 94 states have call predecessors, (219), 93 states have return successors, (221), 217 states have call predecessors, (221), 217 states have call successors, (221) [2022-11-22 02:45:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1285 transitions. [2022-11-22 02:45:36,147 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1285 transitions. Word has length 130 [2022-11-22 02:45:36,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:36,149 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1285 transitions. [2022-11-22 02:45:36,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 02:45:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1285 transitions. [2022-11-22 02:45:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-22 02:45:36,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:36,161 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:36,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:45:36,162 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:36,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:36,163 INFO L85 PathProgramCache]: Analyzing trace with hash -160076248, now seen corresponding path program 1 times [2022-11-22 02:45:36,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:36,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963013173] [2022-11-22 02:45:36,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-22 02:45:36,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:36,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963013173] [2022-11-22 02:45:36,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963013173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:36,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:36,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:45:36,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177600329] [2022-11-22 02:45:36,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:36,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:45:36,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:45:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:45:36,542 INFO L87 Difference]: Start difference. First operand 921 states and 1285 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 02:45:37,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:37,016 INFO L93 Difference]: Finished difference Result 1790 states and 2462 transitions. [2022-11-22 02:45:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:45:37,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2022-11-22 02:45:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:37,027 INFO L225 Difference]: With dead ends: 1790 [2022-11-22 02:45:37,027 INFO L226 Difference]: Without dead ends: 913 [2022-11-22 02:45:37,030 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 [2022-11-22 02:45:37,031 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 224 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:37,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 649 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 02:45:37,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2022-11-22 02:45:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 903. [2022-11-22 02:45:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 588 states have (on average 1.369047619047619) internal successors, (805), 596 states have internal predecessors, (805), 210 states have call successors, (210), 105 states have call predecessors, (210), 104 states have return successors, (210), 207 states have call predecessors, (210), 208 states have call successors, (210) [2022-11-22 02:45:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1225 transitions. [2022-11-22 02:45:37,104 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1225 transitions. Word has length 148 [2022-11-22 02:45:37,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:37,105 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1225 transitions. [2022-11-22 02:45:37,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 02:45:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1225 transitions. [2022-11-22 02:45:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-22 02:45:37,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:37,114 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:37,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:45:37,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1723793366, now seen corresponding path program 1 times [2022-11-22 02:45:37,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:37,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815027254] [2022-11-22 02:45:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-11-22 02:45:37,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:37,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815027254] [2022-11-22 02:45:37,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815027254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:37,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:37,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:45:37,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083558164] [2022-11-22 02:45:37,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:37,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:45:37,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:37,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:45:37,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:45:37,548 INFO L87 Difference]: Start difference. First operand 903 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 02:45:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:38,238 INFO L93 Difference]: Finished difference Result 1960 states and 2655 transitions. [2022-11-22 02:45:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:45:38,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 191 [2022-11-22 02:45:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:38,246 INFO L225 Difference]: With dead ends: 1960 [2022-11-22 02:45:38,246 INFO L226 Difference]: Without dead ends: 1188 [2022-11-22 02:45:38,249 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 [2022-11-22 02:45:38,250 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 193 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:38,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 785 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:45:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-11-22 02:45:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1175. [2022-11-22 02:45:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 776 states have (on average 1.375) internal successors, (1067), 784 states have internal predecessors, (1067), 262 states have call successors, (262), 137 states have call predecessors, (262), 136 states have return successors, (262), 259 states have call predecessors, (262), 260 states have call successors, (262) [2022-11-22 02:45:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1591 transitions. [2022-11-22 02:45:38,323 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1591 transitions. Word has length 191 [2022-11-22 02:45:38,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:38,323 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1591 transitions. [2022-11-22 02:45:38,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 02:45:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1591 transitions. [2022-11-22 02:45:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-22 02:45:38,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:38,329 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:38,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:45:38,330 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:38,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:38,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1047832876, now seen corresponding path program 1 times [2022-11-22 02:45:38,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:38,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784498033] [2022-11-22 02:45:38,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:38,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-22 02:45:39,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:39,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784498033] [2022-11-22 02:45:39,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784498033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:39,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:39,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:45:39,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968087803] [2022-11-22 02:45:39,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:39,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:45:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:39,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:45:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:45:39,886 INFO L87 Difference]: Start difference. First operand 1175 states and 1591 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:45:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:41,050 INFO L93 Difference]: Finished difference Result 3261 states and 4398 transitions. [2022-11-22 02:45:41,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:45:41,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 211 [2022-11-22 02:45:41,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:41,066 INFO L225 Difference]: With dead ends: 3261 [2022-11-22 02:45:41,067 INFO L226 Difference]: Without dead ends: 2217 [2022-11-22 02:45:41,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:45:41,074 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 368 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1762 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:41,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1762 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 02:45:41,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-11-22 02:45:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1999. [2022-11-22 02:45:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1335 states have (on average 1.3797752808988764) internal successors, (1842), 1352 states have internal predecessors, (1842), 430 states have call successors, (430), 225 states have call predecessors, (430), 233 states have return successors, (444), 429 states have call predecessors, (444), 428 states have call successors, (444) [2022-11-22 02:45:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2716 transitions. [2022-11-22 02:45:41,256 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2716 transitions. Word has length 211 [2022-11-22 02:45:41,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:41,257 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 2716 transitions. [2022-11-22 02:45:41,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:45:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2716 transitions. [2022-11-22 02:45:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-22 02:45:41,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:41,264 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:41,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:45:41,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:41,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1982072347, now seen corresponding path program 1 times [2022-11-22 02:45:41,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:41,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322190652] [2022-11-22 02:45:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:41,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-22 02:45:42,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:42,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322190652] [2022-11-22 02:45:42,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322190652] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:45:42,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37367513] [2022-11-22 02:45:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:42,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:42,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:42,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:42,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:45:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:43,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 2369 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:45:43,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-22 02:45:43,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:45:43,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37367513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:43,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:45:43,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-22 02:45:43,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064761654] [2022-11-22 02:45:43,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:43,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:45:43,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:43,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:45:43,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:45:43,478 INFO L87 Difference]: Start difference. First operand 1999 states and 2716 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-22 02:45:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:44,530 INFO L93 Difference]: Finished difference Result 3121 states and 4210 transitions. [2022-11-22 02:45:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:45:44,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 222 [2022-11-22 02:45:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:44,538 INFO L225 Difference]: With dead ends: 3121 [2022-11-22 02:45:44,539 INFO L226 Difference]: Without dead ends: 1222 [2022-11-22 02:45:44,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:45:44,545 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 16 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:44,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1354 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 02:45:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2022-11-22 02:45:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1150. [2022-11-22 02:45:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 757 states have (on average 1.3659180977542933) internal successors, (1034), 768 states have internal predecessors, (1034), 256 states have call successors, (256), 133 states have call predecessors, (256), 136 states have return successors, (261), 251 states have call predecessors, (261), 254 states have call successors, (261) [2022-11-22 02:45:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1551 transitions. [2022-11-22 02:45:44,632 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1551 transitions. Word has length 222 [2022-11-22 02:45:44,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:44,637 INFO L495 AbstractCegarLoop]: Abstraction has 1150 states and 1551 transitions. [2022-11-22 02:45:44,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-22 02:45:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1551 transitions. [2022-11-22 02:45:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-22 02:45:44,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:44,648 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:44,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:45:44,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:44,860 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:44,861 INFO L85 PathProgramCache]: Analyzing trace with hash -355837059, now seen corresponding path program 1 times [2022-11-22 02:45:44,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:44,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605235002] [2022-11-22 02:45:44,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:44,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-22 02:45:46,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:46,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605235002] [2022-11-22 02:45:46,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605235002] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:45:46,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980332166] [2022-11-22 02:45:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:46,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:46,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:46,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:46,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:45:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:47,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-22 02:45:47,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-22 02:45:47,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:45:47,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980332166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:47,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:45:47,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-22 02:45:47,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881645074] [2022-11-22 02:45:47,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:47,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:45:47,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:47,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:45:47,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:45:47,370 INFO L87 Difference]: Start difference. First operand 1150 states and 1551 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 02:45:48,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:48,200 INFO L93 Difference]: Finished difference Result 2282 states and 3092 transitions. [2022-11-22 02:45:48,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:45:48,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 233 [2022-11-22 02:45:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:48,209 INFO L225 Difference]: With dead ends: 2282 [2022-11-22 02:45:48,209 INFO L226 Difference]: Without dead ends: 1151 [2022-11-22 02:45:48,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:45:48,213 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 1 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:48,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 985 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 02:45:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-22 02:45:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1151. [2022-11-22 02:45:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 758 states have (on average 1.3654353562005277) internal successors, (1035), 769 states have internal predecessors, (1035), 256 states have call successors, (256), 133 states have call predecessors, (256), 136 states have return successors, (261), 251 states have call predecessors, (261), 254 states have call successors, (261) [2022-11-22 02:45:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1552 transitions. [2022-11-22 02:45:48,285 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1552 transitions. Word has length 233 [2022-11-22 02:45:48,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:48,285 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1552 transitions. [2022-11-22 02:45:48,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 02:45:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1552 transitions. [2022-11-22 02:45:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-22 02:45:48,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:48,292 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:48,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:45:48,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:48,504 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1821498994, now seen corresponding path program 1 times [2022-11-22 02:45:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:48,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039271891] [2022-11-22 02:45:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2022-11-22 02:45:49,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:49,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039271891] [2022-11-22 02:45:49,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039271891] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:45:49,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877188087] [2022-11-22 02:45:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:49,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:49,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:49,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:49,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f222f241-9703-4c35-84d7-d8b119ae6988/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:45:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:51,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 2625 conjuncts, 331 conjunts are in the unsatisfiable core [2022-11-22 02:45:51,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:51,263 INFO L321 Elim1Store]: treesize reduction 440, result has 0.2 percent of original size [2022-11-22 02:45:51,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 320 treesize of output 298 [2022-11-22 02:45:57,494 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 [2022-11-22 02:45:58,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:45:59,056 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1568 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1568) |c_#memory_int|))) is different from true [2022-11-22 02:45:59,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:00,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:00,227 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1569 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1569) |c_#memory_int|))) is different from true [2022-11-22 02:46:00,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 19 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:01,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:01,145 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1570 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1570)))) is different from true [2022-11-22 02:46:01,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:01,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:01,815 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_1571 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1571) |c_#memory_int|)) (< 0 |c_#StackHeapBarrier|)) is different from true [2022-11-22 02:46:01,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:02,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:02,302 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1572 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1572)))) is different from true [2022-11-22 02:46:02,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:02,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:02,691 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1573 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1573) |c_#memory_int|))) is different from true [2022-11-22 02:46:02,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:02,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:03,008 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1574 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1574)))) is different from true [2022-11-22 02:46:03,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:03,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:03,239 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1575 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1575)))) is different from true [2022-11-22 02:46:03,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:03,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:03,458 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1576 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1576) |c_#memory_int|))) is different from true [2022-11-22 02:46:03,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:03,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:03,605 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1577 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1577)))) is different from true [2022-11-22 02:46:03,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 02:46:03,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:03,738 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1578 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1578) |c_#memory_int|))) is different from true [2022-11-22 02:46:03,759 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 14 treesize of output 16 [2022-11-22 02:46:04,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:04,265 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1579 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_1579) |c_#memory_int|))) is different from true [2022-11-22 02:46:04,279 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1579 (Array Int Int)) (|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| v_ArrVal_1579)) (<= (+ |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| 1) |c_#StackHeapBarrier|)))) is different from true [2022-11-22 02:46:04,294 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 6 treesize of output 5 [2022-11-22 02:46:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:04,327 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 14 treesize of output 16 [2022-11-22 02:46:04,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:04,369 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1580 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_1580) |c_#memory_int|))) is different from true [2022-11-22 02:46:04,495 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 6 treesize of output 5 [2022-11-22 02:46:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:04,582 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 14 treesize of output 16 [2022-11-22 02:46:05,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:05,102 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 14 treesize of output 16 [2022-11-22 02:46:05,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-22 02:46:05,280 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1582 (Array Int Int))) (= (store |c_old(#memory_int)| |c_raw_open_#in~filp#1.base| v_ArrVal_1582) |c_#memory_int|)) is different from true [2022-11-22 02:46:05,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:05,294 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 14 treesize of output 16 [2022-11-22 02:46:05,430 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 67 proven. 51 refuted. 0 times theorem prover too weak. 193 trivial. 293 not checked. [2022-11-22 02:46:05,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:46:05,543 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1585 (Array Int Int))) (not (= (select (select (store |c_#memory_int| c_~raw_ctl_fops_group2~0.base v_ArrVal_1585) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 44032))) is different from false [2022-11-22 02:46:05,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877188087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:46:05,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1971105649] [2022-11-22 02:46:05,571 INFO L159 IcfgInterpreter]: Started Sifa with 132 locations of interest [2022-11-22 02:46:05,571 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:46:05,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:46:05,582 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:46:05,583 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:46:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:06,622 INFO L217 Elim1Store]: Index analysis took 285 ms [2022-11-22 02:46:27,577 WARN L233 SmtUtils]: Spent 20.91s on a formula simplification. DAG size of input: 1512 DAG size of output: 513 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:46:27,581 INFO L321 Elim1Store]: treesize reduction 8908, result has 9.7 percent of original size [2022-11-22 02:46:27,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 195 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 309 case distinctions, treesize of input 459 treesize of output 1329 [2022-11-22 02:46:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:28,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 447 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 205 [2022-11-22 02:46:28,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 246 [2022-11-22 02:46:28,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 631 treesize of output 507 [2022-11-22 02:46:29,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 625 treesize of output 501 [2022-11-22 02:46:32,768 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 [2022-11-22 02:46:32,772 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 [2022-11-22 02:46:32,782 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 [2022-11-22 02:46:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-22 02:46:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:34,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 447 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-22 02:46:34,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 209 [2022-11-22 02:46:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:35,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-22 02:46:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 447 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-22 02:46:40,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 209 [2022-11-22 02:46:40,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-22 02:46:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:46:40,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-22 02:47:33,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:47:34,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:47:34,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:47:35,035 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:47:35,042 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:47:35,068 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:48:27,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:48:27,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:48:27,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:48:28,420 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:48:28,431 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:48:28,481 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:41,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:49:42,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:49:42,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:49:43,181 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:43,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:43,219 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:50:40,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:50:40,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:50:40,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:50:41,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:50:41,375 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:50:41,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:52:03,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:52:04,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:52:04,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:52:05,071 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:52:05,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:52:05,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:53:11,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:53:12,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:53:12,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:53:12,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:53:12,997 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:53:13,004 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:53:16,603 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 13 treesize of output 9 [2022-11-22 02:53:16,613 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 [2022-11-22 02:53:16,621 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 [2022-11-22 02:53:16,672 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 02:53:16,673 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 100 treesize of output 103 [2022-11-22 02:53:16,704 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-22 02:53:16,704 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 98 treesize of output 101 [2022-11-22 02:53:16,734 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 02:53:16,735 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 92 treesize of output 95 [2022-11-22 02:53:16,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:53:16,805 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 [2022-11-22 02:53:16,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:53:18,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:53:18,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 630 treesize of output 490 [2022-11-22 02:53:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:18,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 46 [2022-11-22 02:53:18,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 624 treesize of output 484 [2022-11-22 02:53:18,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:19,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:19,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 40 [2022-11-22 02:53:21,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 624 treesize of output 484 [2022-11-22 02:53:21,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 40 [2022-11-22 02:53:21,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:21,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:21,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:53:22,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 630 treesize of output 490 [2022-11-22 02:53:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:53:22,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 46 [2022-11-22 02:53:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:22,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-22 02:54:12,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:12,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:54:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:12,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-22 02:54:13,297 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 [2022-11-22 02:54:13,303 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 [2022-11-22 02:54:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:14,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:54:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:14,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:54:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:16,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:54:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:16,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:55:38,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:55:39,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:47,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:48,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:50,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:50,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:50,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:50,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:56:56,089 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 19 treesize of output 1 [2022-11-22 02:56:56,139 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 6 treesize of output 5 [2022-11-22 02:56:56,193 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 13 treesize of output 9 [2022-11-22 02:56:56,261 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 13 treesize of output 9 [2022-11-22 02:57:02,927 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 13 treesize of output 9 [2022-11-22 02:57:02,933 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 13 treesize of output 9 [2022-11-22 02:57:02,961 INFO L321 Elim1Store]: treesize reduction 27, result has 41.3 percent of original size [2022-11-22 02:57:02,962 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 51 treesize of output 33 [2022-11-22 02:57:03,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:03,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:05,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:06,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:19,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:19,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:57:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:20,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:57:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:21,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:57:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:21,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:57:29,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:29,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:57:29,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:29,891 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:29,897 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:29,907 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:35,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:35,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:35,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:57:35,952 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:35,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:35,956 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:44,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:44,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:44,282 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:44,284 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:50,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:50,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:57:50,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:50,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:56,217 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 13 treesize of output 9 [2022-11-22 02:57:56,264 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 13 treesize of output 9 [2022-11-22 02:57:56,325 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 19 treesize of output 1 [2022-11-22 02:57:56,365 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 6 treesize of output 5 [2022-11-22 02:57:59,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:59,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:59,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:57:59,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:58:10,117 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:58:10,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-22 02:58:10,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11