./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb4cf2f7b619bb65636b8158cc0f6ae5cf90699f1f1c19bf802021a20c422d2c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:07:26,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:07:26,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:07:26,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:07:26,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:07:26,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:07:26,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:07:26,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:07:26,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:07:26,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:07:26,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:07:26,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:07:26,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:07:26,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:07:26,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:07:26,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:07:26,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:07:26,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:07:26,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:07:26,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:07:26,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:07:26,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:07:26,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:07:26,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:07:26,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:07:26,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:07:26,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:07:26,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:07:26,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:07:26,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:07:26,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:07:26,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:07:26,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:07:26,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:07:26,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:07:26,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:07:26,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:07:26,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:07:26,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:07:26,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:07:26,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:07:26,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:07:26,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:07:26,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:07:26,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:07:26,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:07:26,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:07:26,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:07:26,753 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:07:26,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:07:26,754 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:07:26,754 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:07:26,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:07:26,756 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:07:26,756 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:07:26,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:07:26,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:07:26,757 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:07:26,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:07:26,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:07:26,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:07:26,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:07:26,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:07:26,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:07:26,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:07:26,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:07:26,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:07:26,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:07:26,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:07:26,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:07:26,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:07:26,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:07:26,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:07:26,762 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:07:26,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:07:26,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:07:26,763 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:07:26,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:07:26,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:07:26,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:07:26,764 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_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb4cf2f7b619bb65636b8158cc0f6ae5cf90699f1f1c19bf802021a20c422d2c [2022-11-23 14:07:27,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:07:27,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:07:27,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:07:27,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:07:27,094 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:07:27,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2022-11-23 14:07:30,384 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:07:31,002 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:07:31,003 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2022-11-23 14:07:31,051 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/data/2c98bd96c/ce1d3eb372394e7da275ce74ee14a8e8/FLAGd7175a239 [2022-11-23 14:07:31,071 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/data/2c98bd96c/ce1d3eb372394e7da275ce74ee14a8e8 [2022-11-23 14:07:31,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:07:31,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:07:31,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:07:31,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:07:31,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:07:31,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:31" (1/1) ... [2022-11-23 14:07:31,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d32af2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:31, skipping insertion in model container [2022-11-23 14:07:31,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:31" (1/1) ... [2022-11-23 14:07:31,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:07:31,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:07:31,957 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_1a73e02a-a9d8-441d-8603-8c7be143d604/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i[153287,153300] [2022-11-23 14:07:32,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:07:32,165 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:07:32,445 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_1a73e02a-a9d8-441d-8603-8c7be143d604/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i[153287,153300] [2022-11-23 14:07:32,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:07:32,582 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:07:32,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32 WrapperNode [2022-11-23 14:07:32,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:07:32,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:07:32,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:07:32,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:07:32,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,700 INFO L138 Inliner]: procedures = 82, calls = 140, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 461 [2022-11-23 14:07:32,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:07:32,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:07:32,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:07:32,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:07:32,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:07:32,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:07:32,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:07:32,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:07:32,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (1/1) ... [2022-11-23 14:07:32,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:07:32,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:32,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:07:32,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:07:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:07:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:07:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:07:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:07:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:07:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:07:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:07:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:07:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:07:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-23 14:07:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-23 14:07:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:07:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:07:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:07:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:07:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:07:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:07:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-23 14:07:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-23 14:07:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:07:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:07:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:07:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 14:07:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 14:07:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:07:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:07:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:07:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:07:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-23 14:07:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-23 14:07:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:07:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 14:07:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 14:07:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:07:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:07:33,327 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:07:33,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:07:33,455 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:07:34,235 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:07:34,445 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:07:34,445 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 14:07:34,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:34 BoogieIcfgContainer [2022-11-23 14:07:34,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:07:34,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:07:34,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:07:34,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:07:34,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:07:31" (1/3) ... [2022-11-23 14:07:34,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea6000d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:34, skipping insertion in model container [2022-11-23 14:07:34,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:32" (2/3) ... [2022-11-23 14:07:34,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea6000d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:34, skipping insertion in model container [2022-11-23 14:07:34,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:34" (3/3) ... [2022-11-23 14:07:34,458 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2022-11-23 14:07:34,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:07:34,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:07:34,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:07:34,539 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;@eb04848, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:07:34,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:07:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 85 states have (on average 1.4823529411764707) internal successors, (126), 90 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 14:07:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 14:07:34,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:34,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:34,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:34,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:34,563 INFO L85 PathProgramCache]: Analyzing trace with hash -392250644, now seen corresponding path program 1 times [2022-11-23 14:07:34,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:34,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994913154] [2022-11-23 14:07:34,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:07:35,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:35,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994913154] [2022-11-23 14:07:35,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994913154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:35,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:35,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:07:35,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703575718] [2022-11-23 14:07:35,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:35,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:07:35,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:35,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:07:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:07:35,289 INFO L87 Difference]: Start difference. First operand has 118 states, 85 states have (on average 1.4823529411764707) internal successors, (126), 90 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:07:35,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:35,694 INFO L93 Difference]: Finished difference Result 331 states and 475 transitions. [2022-11-23 14:07:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:35,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 14:07:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:35,711 INFO L225 Difference]: With dead ends: 331 [2022-11-23 14:07:35,712 INFO L226 Difference]: Without dead ends: 207 [2022-11-23 14:07:35,717 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 [2022-11-23 14:07:35,720 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 134 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:35,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 279 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:07:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-11-23 14:07:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2022-11-23 14:07:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 156 states have (on average 1.3846153846153846) internal successors, (216), 156 states have internal predecessors, (216), 34 states have call successors, (34), 17 states have call predecessors, (34), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-23 14:07:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 283 transitions. [2022-11-23 14:07:35,799 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 283 transitions. Word has length 18 [2022-11-23 14:07:35,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:35,800 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 283 transitions. [2022-11-23 14:07:35,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:07:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 283 transitions. [2022-11-23 14:07:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 14:07:35,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:35,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:35,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:07:35,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:35,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1065576068, now seen corresponding path program 1 times [2022-11-23 14:07:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:35,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005884923] [2022-11-23 14:07:35,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:35,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:07:36,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:36,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005884923] [2022-11-23 14:07:36,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005884923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:36,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:36,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:07:36,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463133972] [2022-11-23 14:07:36,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:36,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:07:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:36,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:07:36,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:07:36,062 INFO L87 Difference]: Start difference. First operand 207 states and 283 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:07:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:36,236 INFO L93 Difference]: Finished difference Result 411 states and 562 transitions. [2022-11-23 14:07:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:36,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-23 14:07:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:36,240 INFO L225 Difference]: With dead ends: 411 [2022-11-23 14:07:36,240 INFO L226 Difference]: Without dead ends: 208 [2022-11-23 14:07:36,242 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 [2022-11-23 14:07:36,243 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:36,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:07:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-23 14:07:36,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2022-11-23 14:07:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 157 states have (on average 1.3821656050955413) internal successors, (217), 157 states have internal predecessors, (217), 34 states have call successors, (34), 17 states have call predecessors, (34), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-23 14:07:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 284 transitions. [2022-11-23 14:07:36,276 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 284 transitions. Word has length 22 [2022-11-23 14:07:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:36,277 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 284 transitions. [2022-11-23 14:07:36,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:07:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 284 transitions. [2022-11-23 14:07:36,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 14:07:36,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:36,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:36,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:07:36,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:36,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:36,281 INFO L85 PathProgramCache]: Analyzing trace with hash 102075255, now seen corresponding path program 1 times [2022-11-23 14:07:36,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:36,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606391124] [2022-11-23 14:07:36,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:36,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:07:36,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:36,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606391124] [2022-11-23 14:07:36,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606391124] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:07:36,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77248958] [2022-11-23 14:07:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:36,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:36,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:36,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:07:36,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:07:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:36,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:07:36,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:07:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:07:36,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:07:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:07:36,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77248958] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:07:36,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [990636282] [2022-11-23 14:07:36,868 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-23 14:07:36,868 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:07:36,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:07:36,879 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:07:36,880 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:07:37,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:07:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:37,232 INFO L321 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2022-11-23 14:07:37,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 110 [2022-11-23 14:07:37,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:07:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:37,572 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-23 14:07:37,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-23 14:07:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:37,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:07:37,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:37,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:07:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:37,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:07:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:38,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:07:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:38,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:07:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:38,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:07:38,598 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-23 14:07:38,955 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:07:42,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [990636282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:42,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:07:42,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4] total 13 [2022-11-23 14:07:42,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800977774] [2022-11-23 14:07:42,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:42,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:07:42,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:42,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:07:42,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:07:42,446 INFO L87 Difference]: Start difference. First operand 208 states and 284 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:07:45,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:45,878 INFO L93 Difference]: Finished difference Result 419 states and 572 transitions. [2022-11-23 14:07:45,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:07:45,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-23 14:07:45,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:45,885 INFO L225 Difference]: With dead ends: 419 [2022-11-23 14:07:45,885 INFO L226 Difference]: Without dead ends: 215 [2022-11-23 14:07:45,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-11-23 14:07:45,888 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 5 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:45,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 454 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 14:07:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-23 14:07:45,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 214. [2022-11-23 14:07:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 162 states have (on average 1.376543209876543) internal successors, (223), 161 states have internal predecessors, (223), 34 states have call successors, (34), 18 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-23 14:07:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 291 transitions. [2022-11-23 14:07:45,922 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 291 transitions. Word has length 23 [2022-11-23 14:07:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:45,923 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 291 transitions. [2022-11-23 14:07:45,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:07:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 291 transitions. [2022-11-23 14:07:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 14:07:45,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:45,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:45,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:07:46,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:46,132 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:46,133 INFO L85 PathProgramCache]: Analyzing trace with hash 737573919, now seen corresponding path program 1 times [2022-11-23 14:07:46,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:46,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046128837] [2022-11-23 14:07:46,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:07:46,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:46,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046128837] [2022-11-23 14:07:46,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046128837] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:07:46,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998982812] [2022-11-23 14:07:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:46,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:46,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:07:46,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:07:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:46,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:07:46,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:07:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:07:46,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:07:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:07:46,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998982812] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:07:46,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2041052272] [2022-11-23 14:07:46,576 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-23 14:07:46,577 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:07:46,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:07:46,577 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:07:46,577 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:07:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,819 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-23 14:07:46,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-23 14:07:46,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:07:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2022-11-23 14:07:46,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:07:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:07:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:07:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:07:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:07:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:07:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:07:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2022-11-23 14:07:47,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-23 14:07:47,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:47,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-23 14:07:47,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:07:47,697 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 [2022-11-23 14:07:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:48,141 INFO L321 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-11-23 14:07:48,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 558 treesize of output 539 [2022-11-23 14:07:48,200 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-23 14:07:48,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 554 treesize of output 546 [2022-11-23 14:07:48,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:48,286 INFO L321 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2022-11-23 14:07:48,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 531 [2022-11-23 14:07:48,344 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-23 14:07:48,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 545 treesize of output 542 [2022-11-23 14:07:48,407 INFO L321 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2022-11-23 14:07:48,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 545 treesize of output 542 [2022-11-23 14:07:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:50,731 INFO L321 Elim1Store]: treesize reduction 59, result has 44.9 percent of original size [2022-11-23 14:07:50,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 554 treesize of output 570 [2022-11-23 14:07:50,810 INFO L321 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2022-11-23 14:07:50,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 517 treesize of output 513 [2022-11-23 14:07:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:50,954 INFO L321 Elim1Store]: treesize reduction 55, result has 48.6 percent of original size [2022-11-23 14:07:50,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 526 treesize of output 546 [2022-11-23 14:07:51,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2022-11-23 14:07:52,069 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:07:52,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:52,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2022-11-23 14:07:52,333 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:07:55,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2022-11-23 14:07:55,924 INFO L321 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2022-11-23 14:07:55,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 537 treesize of output 547 [2022-11-23 14:07:57,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2022-11-23 14:07:57,624 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:07:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:57,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2022-11-23 14:07:57,996 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:07:59,855 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:00,077 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-23 14:08:00,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 45 [2022-11-23 14:08:01,140 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-23 14:08:01,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2554 treesize of output 2556 [2022-11-23 14:08:13,535 INFO L321 Elim1Store]: treesize reduction 110, result has 46.6 percent of original size [2022-11-23 14:08:13,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 509 treesize of output 561 [2022-11-23 14:08:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,642 INFO L321 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2022-11-23 14:08:14,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 515 treesize of output 470 [2022-11-23 14:08:15,262 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:15,839 INFO L321 Elim1Store]: treesize reduction 110, result has 46.6 percent of original size [2022-11-23 14:08:15,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 131 [2022-11-23 14:08:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,450 INFO L321 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2022-11-23 14:08:16,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 507 treesize of output 462 [2022-11-23 14:08:21,787 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:21,900 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:22,130 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:22,252 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:22,345 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:22,444 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:08:23,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:23,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:23,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:23,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:23,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:23,243 INFO L321 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2022-11-23 14:08:23,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 1619 treesize of output 1486 [2022-11-23 14:08:24,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:24,200 INFO L321 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2022-11-23 14:08:24,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 415 treesize of output 372 [2022-11-23 14:08:24,651 INFO L321 Elim1Store]: treesize reduction 80, result has 61.2 percent of original size [2022-11-23 14:08:24,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 926 treesize of output 980 [2022-11-23 14:08:41,207 INFO L321 Elim1Store]: treesize reduction 112, result has 45.6 percent of original size [2022-11-23 14:08:41,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1040 treesize of output 1050 [2022-11-23 14:09:11,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 33 [2022-11-23 14:09:11,787 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 [2022-11-23 14:09:11,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-11-23 14:09:12,086 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-23 14:09:12,304 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:09:34,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2041052272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:09:34,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:09:34,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 22 [2022-11-23 14:09:34,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314907836] [2022-11-23 14:09:34,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:09:34,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 14:09:34,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:09:34,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 14:09:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2022-11-23 14:09:34,375 INFO L87 Difference]: Start difference. First operand 214 states and 291 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:09:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:09:41,169 INFO L93 Difference]: Finished difference Result 438 states and 597 transitions. [2022-11-23 14:09:41,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 14:09:41,170 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-23 14:09:41,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:09:41,173 INFO L225 Difference]: With dead ends: 438 [2022-11-23 14:09:41,173 INFO L226 Difference]: Without dead ends: 234 [2022-11-23 14:09:41,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 26.4s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:09:41,177 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 36 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:09:41,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 684 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 14:09:41,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-11-23 14:09:41,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 231. [2022-11-23 14:09:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 179 states have (on average 1.3743016759776536) internal successors, (246), 178 states have internal predecessors, (246), 34 states have call successors, (34), 18 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-23 14:09:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 314 transitions. [2022-11-23 14:09:41,215 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 314 transitions. Word has length 24 [2022-11-23 14:09:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:09:41,216 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 314 transitions. [2022-11-23 14:09:41,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:09:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 314 transitions. [2022-11-23 14:09:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 14:09:41,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:09:41,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:09:41,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:09:41,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:09:41,426 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:09:41,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:09:41,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1588125164, now seen corresponding path program 1 times [2022-11-23 14:09:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:09:41,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024398833] [2022-11-23 14:09:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:09:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:09:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:09:41,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:09:41,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024398833] [2022-11-23 14:09:41,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024398833] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:09:41,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387241137] [2022-11-23 14:09:41,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:41,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:09:41,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:09:41,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:09:41,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:09:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:09:41,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:09:41,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:09:41,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:09:41,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:09:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:09:41,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387241137] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:09:41,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1030579818] [2022-11-23 14:09:41,838 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-23 14:09:41,839 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:09:41,839 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:09:41,839 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:09:41,840 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:09:41,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:09:41,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:09:41,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,107 INFO L321 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2022-11-23 14:09:42,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 110 [2022-11-23 14:09:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,324 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-23 14:09:42,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-23 14:09:42,455 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 [2022-11-23 14:09:42,463 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 [2022-11-23 14:09:42,472 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 [2022-11-23 14:09:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:09:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:09:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:09:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:09:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:09:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:42,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:09:42,965 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-23 14:09:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-23 14:09:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,405 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-23 14:09:43,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 60 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 121 [2022-11-23 14:09:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-23 14:09:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-23 14:09:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,792 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-23 14:09:43,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 62 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 67 treesize of output 113 [2022-11-23 14:09:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:43,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-23 14:09:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-23 14:09:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,401 INFO L321 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2022-11-23 14:09:44,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 59 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 14 case distinctions, treesize of input 67 treesize of output 125 [2022-11-23 14:09:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:44,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-23 14:09:44,484 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 227 for LOIs [2022-11-23 14:09:44,552 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:09:50,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1030579818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:09:50,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:09:50,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 17 [2022-11-23 14:09:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253702888] [2022-11-23 14:09:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:09:50,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 14:09:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:09:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 14:09:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-23 14:09:50,903 INFO L87 Difference]: Start difference. First operand 231 states and 314 transitions. Second operand has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:09:56,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:09:56,210 INFO L93 Difference]: Finished difference Result 443 states and 601 transitions. [2022-11-23 14:09:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 14:09:56,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-23 14:09:56,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:09:56,213 INFO L225 Difference]: With dead ends: 443 [2022-11-23 14:09:56,213 INFO L226 Difference]: Without dead ends: 239 [2022-11-23 14:09:56,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-11-23 14:09:56,214 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 8 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:09:56,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 707 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 14:09:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-23 14:09:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 238. [2022-11-23 14:09:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 183 states have (on average 1.366120218579235) internal successors, (250), 183 states have internal predecessors, (250), 35 states have call successors, (35), 19 states have call predecessors, (35), 19 states have return successors, (35), 35 states have call predecessors, (35), 34 states have call successors, (35) [2022-11-23 14:09:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 320 transitions. [2022-11-23 14:09:56,252 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 320 transitions. Word has length 27 [2022-11-23 14:09:56,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:09:56,252 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 320 transitions. [2022-11-23 14:09:56,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:09:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 320 transitions. [2022-11-23 14:09:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 14:09:56,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:09:56,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:09:56,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:09:56,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:09:56,461 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:09:56,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:09:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash -439519158, now seen corresponding path program 1 times [2022-11-23 14:09:56,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:09:56,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493657773] [2022-11-23 14:09:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:56,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:09:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:09:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:09:56,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:09:56,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493657773] [2022-11-23 14:09:56,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493657773] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:09:56,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163505883] [2022-11-23 14:09:56,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:56,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:09:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:09:56,553 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:09:56,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:09:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:09:56,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:09:56,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:09:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:09:56,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:09:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:09:56,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163505883] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:09:56,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1441604791] [2022-11-23 14:09:56,787 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-23 14:09:56,787 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:09:56,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:09:56,787 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:09:56,788 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:09:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:56,979 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-23 14:09:56,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-23 14:09:57,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:09:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2022-11-23 14:09:57,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:09:57,149 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 [2022-11-23 14:09:57,155 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 [2022-11-23 14:09:57,162 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 [2022-11-23 14:09:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:09:57,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:09:57,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:09:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:09:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:09:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:09:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 63 [2022-11-23 14:09:57,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-23 14:09:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2022-11-23 14:09:57,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-23 14:09:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:57,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2022-11-23 14:09:57,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-23 14:09:58,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:58,130 INFO L321 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-11-23 14:09:58,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 635 treesize of output 616 [2022-11-23 14:09:58,205 INFO L321 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2022-11-23 14:09:58,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 631 treesize of output 627 [2022-11-23 14:09:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:58,284 INFO L321 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2022-11-23 14:09:58,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 629 treesize of output 610 [2022-11-23 14:09:58,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 626 treesize of output 630 [2022-11-23 14:09:58,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 626 treesize of output 630 [2022-11-23 14:09:58,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 628 treesize of output 632 [2022-11-23 14:09:59,965 INFO L321 Elim1Store]: treesize reduction 62, result has 36.1 percent of original size [2022-11-23 14:09:59,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 626 treesize of output 651 [2022-11-23 14:09:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:00,134 INFO L321 Elim1Store]: treesize reduction 74, result has 39.3 percent of original size [2022-11-23 14:10:00,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 640 treesize of output 656 [2022-11-23 14:10:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:00,347 INFO L321 Elim1Store]: treesize reduction 70, result has 42.6 percent of original size [2022-11-23 14:10:00,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 616 treesize of output 636 [2022-11-23 14:10:01,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2022-11-23 14:10:02,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2022-11-23 14:10:03,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2022-11-23 14:10:05,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 171 [2022-11-23 14:10:07,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 171 [2022-11-23 14:10:09,947 INFO L321 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2022-11-23 14:10:09,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 573 treesize of output 545 [2022-11-23 14:10:10,901 INFO L321 Elim1Store]: treesize reduction 32, result has 39.6 percent of original size [2022-11-23 14:10:10,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 577 treesize of output 571 [2022-11-23 14:10:13,901 INFO L321 Elim1Store]: treesize reduction 43, result has 18.9 percent of original size [2022-11-23 14:10:13,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 573 treesize of output 556 [2022-11-23 14:10:14,696 INFO L321 Elim1Store]: treesize reduction 32, result has 39.6 percent of original size [2022-11-23 14:10:14,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 577 treesize of output 571 [2022-11-23 14:10:19,832 INFO L321 Elim1Store]: treesize reduction 22, result has 62.7 percent of original size [2022-11-23 14:10:19,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3080 treesize of output 3069 [2022-11-23 14:10:39,246 INFO L321 Elim1Store]: treesize reduction 49, result has 16.9 percent of original size [2022-11-23 14:10:39,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 5340 treesize of output 5297 [2022-11-23 14:10:50,314 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-23 14:10:50,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 7693 treesize of output 1 [2022-11-23 14:10:57,748 INFO L321 Elim1Store]: treesize reduction 45, result has 23.7 percent of original size [2022-11-23 14:10:57,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 5220 treesize of output 5180 [2022-11-23 14:11:05,282 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-23 14:11:05,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2950 treesize of output 1 [2022-11-23 14:11:05,496 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:11:05,705 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:11:05,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:05,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-23 14:11:06,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:11:06,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:06,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-23 14:11:06,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:06,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-23 14:11:06,871 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:11:07,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:07,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2022-11-23 14:11:07,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:11:09,809 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-23 14:11:09,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2368 treesize of output 1 [2022-11-23 14:11:25,428 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-23 14:11:25,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 2913 treesize of output 2680 [2022-11-23 14:11:32,323 INFO L321 Elim1Store]: treesize reduction 100, result has 62.4 percent of original size [2022-11-23 14:11:32,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1921 treesize of output 1951 [2022-11-23 14:12:07,547 INFO L321 Elim1Store]: treesize reduction 100, result has 62.4 percent of original size [2022-11-23 14:12:07,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1319 treesize of output 1389 [2022-11-23 14:12:55,931 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:12:55,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1224 treesize of output 1 [2022-11-23 14:13:00,171 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:13:00,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 2959 treesize of output 1 [2022-11-23 14:13:58,964 INFO L321 Elim1Store]: treesize reduction 120, result has 51.2 percent of original size [2022-11-23 14:13:58,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 6255 treesize of output 5975 [2022-11-23 14:15:31,149 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-23 14:15:31,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 7983 treesize of output 7390 [2022-11-23 14:15:49,747 INFO L321 Elim1Store]: treesize reduction 210, result has 14.6 percent of original size [2022-11-23 14:15:49,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 6255 treesize of output 5885 [2022-11-23 14:16:05,349 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:16:05,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 621 treesize of output 573 [2022-11-23 14:16:07,106 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:16:07,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1270 treesize of output 1182 [2022-11-23 14:16:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:09,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:09,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-23 14:16:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,731 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-23 14:16:11,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2022-11-23 14:16:11,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:11,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:12,129 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-23 14:16:12,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 85 [2022-11-23 14:16:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:12,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-23 14:16:12,792 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:13,021 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:13,277 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:13,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:13,853 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-23 14:16:13,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2022-11-23 14:16:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,326 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-23 14:16:14,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 85 [2022-11-23 14:16:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:14,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-23 14:16:15,118 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:15,407 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:15,707 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:16,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:16,440 INFO L321 Elim1Store]: treesize reduction 159, result has 0.6 percent of original size [2022-11-23 14:16:16,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1507 treesize of output 1 [2022-11-23 14:16:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:17,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:17,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:16:17,966 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:18,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:18,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:16:18,712 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:21,020 INFO L321 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2022-11-23 14:16:21,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 2574 treesize of output 2415 [2022-11-23 14:16:23,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:23,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:23,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-23 14:16:24,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:24,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-23 14:16:25,352 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:25,757 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:26,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-23 14:16:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:26,968 INFO L321 Elim1Store]: treesize reduction 159, result has 0.6 percent of original size [2022-11-23 14:16:26,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 2574 treesize of output 1 [2022-11-23 14:16:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:29,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:29,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:29,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 640 [2022-11-23 14:16:30,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:30,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:30,888 INFO L321 Elim1Store]: treesize reduction 41, result has 24.1 percent of original size [2022-11-23 14:16:30,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2022-11-23 14:16:31,331 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:31,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:31,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:31,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:31,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-23 14:16:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:33,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:33,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:16:34,232 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:35,367 INFO L321 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2022-11-23 14:16:35,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 678 treesize of output 1 [2022-11-23 14:16:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:35,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:35,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-23 14:16:37,530 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:16:37,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 3841 treesize of output 3593 [2022-11-23 14:16:44,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:44,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:44,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1267 treesize of output 1215 [2022-11-23 14:16:47,669 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:16:47,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 9242 treesize of output 1 [2022-11-23 14:16:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:55,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:55,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:55,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:55,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:16:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:56,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:56,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-23 14:16:57,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:58,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:16:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:58,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:58,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:16:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:59,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:59,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-23 14:17:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:00,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:00,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:00,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:00,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:17:01,232 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:01,908 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:02,179 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:02,398 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:02,665 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:03,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-23 14:17:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-23 14:17:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:03,975 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-23 14:17:03,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 1 [2022-11-23 14:17:04,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,513 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-23 14:17:04,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-11-23 14:17:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:17:05,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:05,910 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:06,161 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:06,454 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:06,809 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:07,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-23 14:17:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,018 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-23 14:17:08,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 1 [2022-11-23 14:17:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-23 14:17:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:08,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-23 14:17:09,716 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:10,097 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:10,418 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:10,818 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2022-11-23 14:17:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:11,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2022-11-23 14:17:12,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,533 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-23 14:17:12,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 1 [2022-11-23 14:17:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:12,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:13,217 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-23 14:17:13,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-11-23 14:17:13,729 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:14,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:17:14,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:14,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:14,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:17:15,585 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:16,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:16,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:16,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:16,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2022-11-23 14:17:16,785 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:21,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:21,323 INFO L321 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2022-11-23 14:17:21,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 4741 treesize of output 1 [2022-11-23 14:17:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1889 treesize of output 1797 [2022-11-23 14:17:25,217 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-23 14:17:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 663 treesize of output 651 [2022-11-23 14:17:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:27,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:27,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-23 14:17:28,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:28,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:28,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:28,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-23 14:17:29,557 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2022-11-23 14:17:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 606 [2022-11-23 14:17:31,911 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:34,109 INFO L321 Elim1Store]: treesize reduction 265, result has 0.4 percent of original size [2022-11-23 14:17:34,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 666 treesize of output 618 [2022-11-23 14:17:35,331 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:35,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:18:12,997 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-23 14:18:12,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 5824 treesize of output 5310 [2022-11-23 14:18:30,104 INFO L321 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2022-11-23 14:18:30,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 5438 treesize of output 5025 [2022-11-23 14:19:29,542 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-23 14:19:33,931 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6079 conjuctions. This might take some time... [2022-11-23 14:20:23,383 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6079 conjuctions. [2022-11-23 14:20:29,588 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-23 14:20:33,911 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6079 conjuctions. This might take some time... [2022-11-23 14:21:23,701 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6079 conjuctions. [2022-11-23 14:21:27,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 33 [2022-11-23 14:21:27,997 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 [2022-11-23 14:21:28,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-11-23 14:21:28,185 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2022-11-23 14:21:28,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,625 INFO L321 Elim1Store]: treesize reduction 162, result has 33.6 percent of original size [2022-11-23 14:21:28,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 57 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 18 case distinctions, treesize of input 67 treesize of output 133 [2022-11-23 14:21:28,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-23 14:21:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-23 14:21:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-23 14:21:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:28,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,021 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 14:21:29,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 65 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 101 [2022-11-23 14:21:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-23 14:21:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2022-11-23 14:21:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,711 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:21:29,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 61 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 117 [2022-11-23 14:21:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:21:29,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2022-11-23 14:21:29,783 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 223 for LOIs [2022-11-23 14:21:29,840 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:21:54,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1441604791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:21:54,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:21:54,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-11-23 14:21:54,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205135141] [2022-11-23 14:21:54,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:21:54,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-23 14:21:54,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:21:54,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-23 14:21:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:21:54,163 INFO L87 Difference]: Start difference. First operand 238 states and 320 transitions. Second operand has 21 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 16 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:22:02,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:22:02,398 INFO L93 Difference]: Finished difference Result 461 states and 624 transitions. [2022-11-23 14:22:02,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 14:22:02,403 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 16 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-11-23 14:22:02,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:22:02,405 INFO L225 Difference]: With dead ends: 461 [2022-11-23 14:22:02,405 INFO L226 Difference]: Without dead ends: 257 [2022-11-23 14:22:02,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 28.6s TimeCoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2022-11-23 14:22:02,407 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 44 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:22:02,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1007 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-23 14:22:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-11-23 14:22:02,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 233. [2022-11-23 14:22:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 179 states have (on average 1.3687150837988826) internal successors, (245), 179 states have internal predecessors, (245), 35 states have call successors, (35), 19 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-23 14:22:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2022-11-23 14:22:02,447 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 28 [2022-11-23 14:22:02,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:22:02,447 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2022-11-23 14:22:02,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 16 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:22:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2022-11-23 14:22:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 14:22:02,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:22:02,455 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:22:02,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:22:02,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 14:22:02,656 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:22:02,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:22:02,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1161667122, now seen corresponding path program 1 times [2022-11-23 14:22:02,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:22:02,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296064164] [2022-11-23 14:22:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:22:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:22:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:22:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:22:02,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:22:02,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296064164] [2022-11-23 14:22:02,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296064164] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:22:02,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540063503] [2022-11-23 14:22:02,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:22:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:22:02,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:22:02,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:22:02,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:22:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:22:02,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:22:02,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:22:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:22:03,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:22:03,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540063503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:22:03,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:22:03,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 14:22:03,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259352129] [2022-11-23 14:22:03,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:22:03,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:22:03,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:22:03,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:22:03,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:22:03,019 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:22:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:22:03,125 INFO L93 Difference]: Finished difference Result 341 states and 462 transitions. [2022-11-23 14:22:03,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:22:03,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-11-23 14:22:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:22:03,127 INFO L225 Difference]: With dead ends: 341 [2022-11-23 14:22:03,127 INFO L226 Difference]: Without dead ends: 137 [2022-11-23 14:22:03,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:22:03,129 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 139 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:22:03,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 123 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:22:03,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-23 14:22:03,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2022-11-23 14:22:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 20 states have call successors, (20), 11 states have call predecessors, (20), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 14:22:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 178 transitions. [2022-11-23 14:22:03,154 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 178 transitions. Word has length 36 [2022-11-23 14:22:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:22:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 178 transitions. [2022-11-23 14:22:03,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:22:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2022-11-23 14:22:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 14:22:03,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:22:03,157 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 14:22:03,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 14:22:03,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 14:22:03,363 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:22:03,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:22:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash -743662913, now seen corresponding path program 1 times [2022-11-23 14:22:03,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:22:03,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533123292] [2022-11-23 14:22:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:22:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:22:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:22:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:22:03,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:22:03,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533123292] [2022-11-23 14:22:03,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533123292] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:22:03,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087010298] [2022-11-23 14:22:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:22:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:22:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:22:03,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:22:03,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a73e02a-a9d8-441d-8603-8c7be143d604/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 14:22:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:22:03,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:22:03,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:22:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:22:03,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:22:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:22:03,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087010298] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:22:03,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [866901858] [2022-11-23 14:22:03,718 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2022-11-23 14:22:03,718 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:22:03,719 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:22:03,719 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:22:03,719 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:22:03,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:22:03,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 14:22:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:03,931 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-23 14:22:03,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2022-11-23 14:22:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:03,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2022-11-23 14:22:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:22:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:22:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:22:04,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2022-11-23 14:22:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2022-11-23 14:22:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-23 14:22:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2022-11-23 14:22:04,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-23 14:22:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 63 [2022-11-23 14:22:04,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-23 14:22:04,492 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 [2022-11-23 14:22:04,680 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 569 treesize of output 568 [2022-11-23 14:22:04,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,755 INFO L321 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2022-11-23 14:22:04,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 569 treesize of output 550 [2022-11-23 14:22:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:04,814 INFO L321 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-11-23 14:22:04,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 569 treesize of output 550 [2022-11-23 14:22:04,845 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 564 treesize of output 568 [2022-11-23 14:22:04,880 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 564 treesize of output 568 [2022-11-23 14:22:06,084 INFO L321 Elim1Store]: treesize reduction 28, result has 44.0 percent of original size [2022-11-23 14:22:06,084 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 552 treesize of output 552 [2022-11-23 14:22:06,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:06,229 INFO L321 Elim1Store]: treesize reduction 59, result has 44.9 percent of original size [2022-11-23 14:22:06,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 560 treesize of output 576 [2022-11-23 14:22:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:06,421 INFO L321 Elim1Store]: treesize reduction 55, result has 48.6 percent of original size [2022-11-23 14:22:06,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 536 treesize of output 556 [2022-11-23 14:22:06,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21