./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh --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 32bit --witnessprinter.graph.data.programhash 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 --- 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-2329fc7 [2022-12-14 14:20:46,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:20:46,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:20:46,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:20:46,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:20:46,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:20:46,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:20:46,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:20:46,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:20:46,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:20:46,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:20:46,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:20:46,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:20:46,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:20:46,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:20:46,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:20:46,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:20:46,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:20:46,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:20:46,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:20:46,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:20:46,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:20:46,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:20:46,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:20:46,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:20:46,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:20:46,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:20:46,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:20:46,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:20:46,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:20:46,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:20:46,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:20:46,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:20:46,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:20:46,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:20:46,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:20:46,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:20:46,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:20:46,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:20:46,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:20:46,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:20:46,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:20:46,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:20:46,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:20:46,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:20:46,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:20:46,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:20:46,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:20:46,710 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:20:46,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:20:46,710 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:20:46,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:20:46,711 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:20:46,711 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:20:46,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:20:46,712 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:20:46,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:20:46,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:20:46,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:20:46,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:20:46,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:20:46,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:20:46,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:20:46,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:20:46,714 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_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2022-12-14 14:20:46,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:20:46,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:20:46,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:20:46,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:20:46,916 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:20:46,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-12-14 14:20:49,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:20:49,725 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:20:49,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-12-14 14:20:49,733 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/data/7ae24837c/a5d482cd005146dd94a26cd845c1f27c/FLAGf07a6cea7 [2022-12-14 14:20:49,743 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/data/7ae24837c/a5d482cd005146dd94a26cd845c1f27c [2022-12-14 14:20:49,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:20:49,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:20:49,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:20:49,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:20:49,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:20:49,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:20:49" (1/1) ... [2022-12-14 14:20:49,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642c009a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:49, skipping insertion in model container [2022-12-14 14:20:49,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:20:49" (1/1) ... [2022-12-14 14:20:49,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:20:49,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:20:49,971 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_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-12-14 14:20:49,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:20:49,982 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:20:50,009 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_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-12-14 14:20:50,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:20:50,025 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:20:50,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50 WrapperNode [2022-12-14 14:20:50,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:20:50,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:20:50,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:20:50,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:20:50,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,055 INFO L138 Inliner]: procedures = 122, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2022-12-14 14:20:50,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:20:50,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:20:50,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:20:50,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:20:50,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,073 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:20:50,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:20:50,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:20:50,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:20:50,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (1/1) ... [2022-12-14 14:20:50,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:20:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:50,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:20:50,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:20:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:20:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:20:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:20:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:20:50,216 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:20:50,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:20:50,391 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:20:50,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:20:50,480 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 14:20:50,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:20:50 BoogieIcfgContainer [2022-12-14 14:20:50,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:20:50,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:20:50,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:20:50,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:20:50,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:20:49" (1/3) ... [2022-12-14 14:20:50,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556722f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:20:50, skipping insertion in model container [2022-12-14 14:20:50,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:50" (2/3) ... [2022-12-14 14:20:50,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556722f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:20:50, skipping insertion in model container [2022-12-14 14:20:50,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:20:50" (3/3) ... [2022-12-14 14:20:50,490 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-2.i [2022-12-14 14:20:50,507 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:20:50,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:20:50,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:20:50,554 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;@6fb4ad93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:20:50,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:20:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 14:20:50,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:20:50,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 14:20:50,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:20:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:20:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash -359549317, now seen corresponding path program 1 times [2022-12-14 14:20:50,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:20:50,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727533097] [2022-12-14 14:20:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:50,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:20:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:50,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:20:50,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727533097] [2022-12-14 14:20:50,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727533097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:20:50,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:20:50,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:20:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293330096] [2022-12-14 14:20:50,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:20:50,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:20:50,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:20:50,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:20:50,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:20:50,818 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:20:50,890 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-12-14 14:20:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:20:50,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 14:20:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:20:50,897 INFO L225 Difference]: With dead ends: 25 [2022-12-14 14:20:50,897 INFO L226 Difference]: Without dead ends: 12 [2022-12-14 14:20:50,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:20:50,902 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:20:50,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:20:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-12-14 14:20:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-12-14 14:20:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-12-14 14:20:50,926 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-12-14 14:20:50,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:20:50,926 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-14 14:20:50,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-12-14 14:20:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:20:50,927 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:20:50,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:20:50,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:20:50,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:20:50,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:20:50,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1848824468, now seen corresponding path program 1 times [2022-12-14 14:20:50,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:20:50,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779288932] [2022-12-14 14:20:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:50,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:20:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:51,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:20:51,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779288932] [2022-12-14 14:20:51,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779288932] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:20:51,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551383107] [2022-12-14 14:20:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:51,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:51,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:51,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:20:51,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:20:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:51,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:20:51,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:20:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:51,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:20:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:51,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551383107] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:20:51,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1073111747] [2022-12-14 14:20:51,218 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:20:51,218 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:20:51,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:20:51,226 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:20:51,227 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:20:51,322 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:20:51,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 14:20:51,357 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:20:51,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 14:20:51,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2022-12-14 14:20:51,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:20:51,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:20:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-12-14 14:20:51,561 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 14:20:51,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 14:20:51,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 14:20:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:20:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:51,943 INFO L217 Elim1Store]: Index analysis took 143 ms [2022-12-14 14:20:51,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:52,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:52,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:52,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:52,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,124 INFO L321 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-12-14 14:20:53,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 319 treesize of output 319 [2022-12-14 14:20:53,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:20:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:20:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:20:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,603 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 14:20:53,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 331 treesize of output 328 [2022-12-14 14:20:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,733 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 14:20:53,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-12-14 14:20:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,788 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 396 treesize of output 383 [2022-12-14 14:20:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,821 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 396 treesize of output 383 [2022-12-14 14:20:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 561 [2022-12-14 14:20:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:53,911 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:20:53,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-12-14 14:20:54,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2022-12-14 14:20:54,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2022-12-14 14:20:54,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 14:20:54,207 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 14:20:54,208 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 651 treesize of output 580 [2022-12-14 14:20:54,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 562 treesize of output 466 [2022-12-14 14:20:54,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 434 [2022-12-14 14:20:54,487 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 14:20:54,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 736 treesize of output 741 [2022-12-14 14:20:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,556 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-12-14 14:20:54,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 741 treesize of output 759 [2022-12-14 14:20:54,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:54,851 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:20:54,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-12-14 14:20:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:54,960 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:20:54,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 14:20:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:54,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:20:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:20:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:20:55,077 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:20:55,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:20:55,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:20:55,159 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 14:20:55,160 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 121 [2022-12-14 14:20:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2022-12-14 14:20:55,223 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 [2022-12-14 14:20:55,230 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 6 treesize of output 5 [2022-12-14 14:20:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:55,399 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:20:55,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-12-14 14:20:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:55,488 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:20:55,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 14:20:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:20:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:20:55,582 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:20:55,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 91 treesize of output 56 [2022-12-14 14:20:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-12-14 14:20:55,612 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:20:55,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:20:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:55,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:20:55,804 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:20:56,216 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '121#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:20:56,217 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:20:56,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:20:56,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 14:20:56,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333031486] [2022-12-14 14:20:56,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:20:56,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 14:20:56,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:20:56,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 14:20:56,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 14:20:56,219 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:56,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:20:56,349 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-12-14 14:20:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:20:56,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 14:20:56,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:20:56,350 INFO L225 Difference]: With dead ends: 24 [2022-12-14 14:20:56,350 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 14:20:56,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 14:20:56,351 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:20:56,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:20:56,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 14:20:56,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 14:20:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-12-14 14:20:56,354 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-12-14 14:20:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:20:56,354 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-12-14 14:20:56,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:20:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 14:20:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:20:56,354 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:20:56,355 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-12-14 14:20:56,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:20:56,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:56,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:20:56,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:20:56,559 INFO L85 PathProgramCache]: Analyzing trace with hash -991389345, now seen corresponding path program 2 times [2022-12-14 14:20:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:20:56,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971713633] [2022-12-14 14:20:56,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:56,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:20:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:56,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:20:56,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971713633] [2022-12-14 14:20:56,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971713633] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:20:56,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379465764] [2022-12-14 14:20:56,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:20:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:56,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:56,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:20:56,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:20:57,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 14:20:57,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:20:57,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 14:20:57,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:20:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:57,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:20:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:20:57,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379465764] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:20:57,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [495810720] [2022-12-14 14:20:57,879 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:20:57,879 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:20:57,880 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:20:57,880 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:20:57,880 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:20:57,909 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:20:57,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 14:20:57,934 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:20:57,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 14:20:57,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:57,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:20:57,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:20:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:57,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:20:58,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:20:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-12-14 14:20:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 14:20:58,100 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 14:20:58,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 14:20:58,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 14:20:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 281 [2022-12-14 14:20:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,409 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-12-14 14:20:58,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:58,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:58,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,359 INFO L321 Elim1Store]: treesize reduction 72, result has 28.7 percent of original size [2022-12-14 14:20:59,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 307 treesize of output 307 [2022-12-14 14:20:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,810 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 14:20:59,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 319 treesize of output 316 [2022-12-14 14:20:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 281 [2022-12-14 14:20:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 281 [2022-12-14 14:20:59,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:59,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:00,064 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-12-14 14:21:00,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 437 treesize of output 460 [2022-12-14 14:21:00,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:00,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:00,257 INFO L321 Elim1Store]: treesize reduction 74, result has 34.5 percent of original size [2022-12-14 14:21:00,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 424 treesize of output 453 [2022-12-14 14:21:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 99 treesize of output 49 [2022-12-14 14:21:00,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 14:21:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-12-14 14:21:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,375 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:21:00,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 459 treesize of output 426 [2022-12-14 14:21:00,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 115 [2022-12-14 14:21:00,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 68 [2022-12-14 14:21:00,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-12-14 14:21:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:00,691 INFO L321 Elim1Store]: treesize reduction 136, result has 29.5 percent of original size [2022-12-14 14:21:00,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 645 treesize of output 681 [2022-12-14 14:21:00,730 INFO L321 Elim1Store]: treesize reduction 71, result has 19.3 percent of original size [2022-12-14 14:21:00,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 634 treesize of output 647 [2022-12-14 14:21:00,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 14:21:00,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:21:00,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 14:21:01,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 502 [2022-12-14 14:21:01,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:01,240 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:01,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:01,311 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:01,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-12-14 14:21:01,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:01,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 103 treesize of output 55 [2022-12-14 14:21:01,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:01,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:01,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 119 treesize of output 71 [2022-12-14 14:21:01,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-12-14 14:21:01,550 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 [2022-12-14 14:21:01,555 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 6 treesize of output 5 [2022-12-14 14:21:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:01,701 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 14:21:01,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 200 [2022-12-14 14:21:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:01,818 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:01,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 156 [2022-12-14 14:21:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:21:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:01,910 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:01,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:21:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:01,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 119 treesize of output 71 [2022-12-14 14:21:01,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:01,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-12-14 14:21:02,056 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:21:02,451 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '273#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:21:02,451 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:21:02,451 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:21:02,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-12-14 14:21:02,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589874058] [2022-12-14 14:21:02,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:21:02,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 14:21:02,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:02,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 14:21:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:21:02,452 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:02,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:21:02,618 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-12-14 14:21:02,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 14:21:02,618 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 14:21:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:21:02,618 INFO L225 Difference]: With dead ends: 26 [2022-12-14 14:21:02,618 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 14:21:02,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:21:02,619 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:21:02,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:21:02,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 14:21:02,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-14 14:21:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-12-14 14:21:02,622 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-12-14 14:21:02,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:21:02,622 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-12-14 14:21:02,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-14 14:21:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 14:21:02,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:02,622 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-12-14 14:21:02,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 14:21:02,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:02,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash 240946296, now seen corresponding path program 3 times [2022-12-14 14:21:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:02,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868909633] [2022-12-14 14:21:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:02,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:21:04,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:04,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868909633] [2022-12-14 14:21:04,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868909633] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:21:04,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750958456] [2022-12-14 14:21:04,214 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:21:04,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:04,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:21:04,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:21:04,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:21:04,361 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:21:04,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:21:04,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-14 14:21:04,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:21:04,371 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 6 treesize of output 5 [2022-12-14 14:21:04,383 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 14:21:04,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 14:21:04,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 14:21:04,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 26 [2022-12-14 14:21:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:21:04,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:21:04,595 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:04,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 112 [2022-12-14 14:21:04,610 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-12-14 14:21:04,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 81 [2022-12-14 14:21:04,626 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-12-14 14:21:04,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 72 [2022-12-14 14:21:04,646 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:04,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 72 [2022-12-14 14:21:04,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:04,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:21:04,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750958456] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:21:04,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [963038046] [2022-12-14 14:21:04,684 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:21:04,685 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:21:04,685 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:21:04,685 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:21:04,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:21:04,715 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:21:04,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 14:21:04,739 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:21:04,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 14:21:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:21:04,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:21:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-12-14 14:21:04,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 14:21:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:04,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:21:04,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:21:04,899 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 14:21:04,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 14:21:04,932 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 14:21:04,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 14:21:05,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,109 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-12-14 14:21:05,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:05,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:05,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:05,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,222 INFO L321 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-12-14 14:21:06,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 319 treesize of output 319 [2022-12-14 14:21:06,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,596 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 14:21:06,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 331 treesize of output 328 [2022-12-14 14:21:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:06,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:06,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:07,079 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 14:21:07,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 472 [2022-12-14 14:21:07,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-12-14 14:21:07,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-12-14 14:21:07,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:07,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:07,225 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-12-14 14:21:07,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 507 [2022-12-14 14:21:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,283 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:21:07,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-12-14 14:21:07,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 120 [2022-12-14 14:21:07,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 84 [2022-12-14 14:21:07,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 14:21:07,455 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 14:21:07,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 53 [2022-12-14 14:21:07,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-12-14 14:21:07,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 14:21:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:07,887 INFO L321 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-12-14 14:21:07,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1137 treesize of output 1155 [2022-12-14 14:21:07,929 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 14:21:07,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1132 treesize of output 1131 [2022-12-14 14:21:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:08,214 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 14:21:08,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 200 [2022-12-14 14:21:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:08,354 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:08,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 151 [2022-12-14 14:21:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:08,466 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:08,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 91 treesize of output 56 [2022-12-14 14:21:08,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-12-14 14:21:08,498 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:08,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:21:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:08,595 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 [2022-12-14 14:21:08,628 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 6 treesize of output 5 [2022-12-14 14:21:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:08,762 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 14:21:08,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 200 [2022-12-14 14:21:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:08,863 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:08,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 156 [2022-12-14 14:21:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:08,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:09,003 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:09,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:21:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:09,045 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 14:21:09,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 207 [2022-12-14 14:21:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:09,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2022-12-14 14:21:09,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:09,144 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:21:09,665 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '449#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:21:09,665 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:21:09,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:21:09,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 14 [2022-12-14 14:21:09,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842412324] [2022-12-14 14:21:09,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:21:09,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 14:21:09,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:09,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 14:21:09,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-12-14 14:21:09,666 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:10,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:21:10,156 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-12-14 14:21:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 14:21:10,157 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 14:21:10,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:21:10,157 INFO L225 Difference]: With dead ends: 32 [2022-12-14 14:21:10,157 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 14:21:10,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=141, Invalid=615, Unknown=0, NotChecked=0, Total=756 [2022-12-14 14:21:10,158 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 100 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:21:10,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 31 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:21:10,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 14:21:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2022-12-14 14:21:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-12-14 14:21:10,162 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 16 [2022-12-14 14:21:10,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:21:10,162 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-12-14 14:21:10,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 14:21:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:21:10,162 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:10,162 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:21:10,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:21:10,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:10,364 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:10,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1122897320, now seen corresponding path program 1 times [2022-12-14 14:21:10,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:10,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300004380] [2022-12-14 14:21:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:10,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:21:10,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:10,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300004380] [2022-12-14 14:21:10,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300004380] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:21:10,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929147000] [2022-12-14 14:21:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:21:10,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:21:10,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:21:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:11,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 14:21:11,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:21:11,028 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 6 treesize of output 5 [2022-12-14 14:21:11,042 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 14:21:11,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 14:21:11,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 14:21:11,062 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 14:21:11,062 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2022-12-14 14:21:11,097 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:11,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2022-12-14 14:21:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:21:11,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:21:11,147 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:11,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 78 [2022-12-14 14:21:11,166 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-12-14 14:21:11,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 86 [2022-12-14 14:21:11,195 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 14:21:11,195 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 2 case distinctions, treesize of input 28 treesize of output 34 [2022-12-14 14:21:11,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:21:11,209 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:11,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2022-12-14 14:21:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:21:11,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929147000] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:21:11,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [865812508] [2022-12-14 14:21:11,277 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:21:11,277 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:21:11,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:21:11,277 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:21:11,277 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:21:11,312 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:21:11,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 14:21:11,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 14:21:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:21:11,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:21:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-12-14 14:21:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 14:21:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:21:11,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 14:21:11,443 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 14:21:11,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 14:21:11,473 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 14:21:11,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 14:21:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:11,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,653 INFO L321 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-12-14 14:21:12,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 319 treesize of output 319 [2022-12-14 14:21:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:12,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,006 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 14:21:13,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 331 treesize of output 328 [2022-12-14 14:21:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:13,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:13,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,196 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 14:21:13,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-12-14 14:21:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,263 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-12-14 14:21:13,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 502 [2022-12-14 14:21:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,310 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:21:13,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-12-14 14:21:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,494 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 519 treesize of output 466 [2022-12-14 14:21:13,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 446 treesize of output 416 [2022-12-14 14:21:13,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 14:21:13,602 INFO L321 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-12-14 14:21:13,603 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 3 case distinctions, treesize of input 579 treesize of output 504 [2022-12-14 14:21:13,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 504 treesize of output 436 [2022-12-14 14:21:13,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 413 [2022-12-14 14:21:13,762 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 14:21:13,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 974 treesize of output 973 [2022-12-14 14:21:13,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,848 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-12-14 14:21:13,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 979 treesize of output 989 [2022-12-14 14:21:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:13,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:14,058 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:14,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:14,142 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:14,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 14:21:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:14,244 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:14,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:21:14,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:14,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 119 treesize of output 71 [2022-12-14 14:21:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-12-14 14:21:14,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:14,326 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 6 treesize of output 5 [2022-12-14 14:21:14,339 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 [2022-12-14 14:21:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:14,441 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:14,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:14,521 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:14,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-12-14 14:21:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:14,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 103 treesize of output 55 [2022-12-14 14:21:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:14,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:14,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 119 treesize of output 71 [2022-12-14 14:21:14,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:14,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-12-14 14:21:14,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:14,782 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:21:15,414 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '664#(and (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0))' at error location [2022-12-14 14:21:15,415 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:21:15,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:21:15,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2022-12-14 14:21:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976786208] [2022-12-14 14:21:15,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:21:15,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 14:21:15,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 14:21:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:21:15,416 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:16,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:21:16,108 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-12-14 14:21:16,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 14:21:16,109 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 14:21:16,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:21:16,109 INFO L225 Difference]: With dead ends: 30 [2022-12-14 14:21:16,110 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 14:21:16,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2022-12-14 14:21:16,111 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 103 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:21:16,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 35 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:21:16,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 14:21:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2022-12-14 14:21:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-12-14 14:21:16,114 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2022-12-14 14:21:16,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:21:16,114 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-12-14 14:21:16,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 14:21:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 14:21:16,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:16,115 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 14:21:16,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:21:16,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:16,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:16,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1140987936, now seen corresponding path program 1 times [2022-12-14 14:21:16,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:16,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814297644] [2022-12-14 14:21:16,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:16,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:21:17,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:17,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814297644] [2022-12-14 14:21:17,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814297644] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:21:17,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306863927] [2022-12-14 14:21:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:17,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:21:17,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:21:17,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:21:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:18,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 89 conjunts are in the unsatisfiable core [2022-12-14 14:21:18,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:21:18,086 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 6 treesize of output 5 [2022-12-14 14:21:18,105 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 14:21:18,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 14:21:18,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 14:21:18,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2022-12-14 14:21:18,197 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 14:21:18,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:21:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:18,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 29 [2022-12-14 14:21:18,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 17 treesize of output 21 [2022-12-14 14:21:18,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 14:21:18,234 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 14:21:18,234 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 14:21:18,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 25 [2022-12-14 14:21:18,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 54 [2022-12-14 14:21:18,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 36 [2022-12-14 14:21:18,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2022-12-14 14:21:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:21:18,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:21:18,566 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:18,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 106 [2022-12-14 14:21:18,577 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:18,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2022-12-14 14:21:18,601 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 14:21:18,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 110 [2022-12-14 14:21:18,614 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:18,614 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2022-12-14 14:21:18,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:21:18,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 350 [2022-12-14 14:21:18,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2022-12-14 14:21:18,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2022-12-14 14:21:18,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-12-14 14:21:18,846 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:18,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 542 treesize of output 458 [2022-12-14 14:21:18,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 14:21:18,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 14:21:18,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 14:21:20,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:20,714 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 112 [2022-12-14 14:21:20,733 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-12-14 14:21:20,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 92 [2022-12-14 14:21:20,755 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-12-14 14:21:20,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 88 [2022-12-14 14:21:20,802 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 14:21:20,802 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 2 case distinctions, treesize of input 36 treesize of output 40 [2022-12-14 14:21:20,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 23 treesize of output 13 [2022-12-14 14:21:20,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 220 [2022-12-14 14:21:20,846 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:20,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 244 treesize of output 274 [2022-12-14 14:21:20,864 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:20,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 189 [2022-12-14 14:21:20,882 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:20,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 193 [2022-12-14 14:21:20,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 180 [2022-12-14 14:21:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:21:28,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306863927] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:21:28,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1531930797] [2022-12-14 14:21:28,144 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:21:28,144 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:21:28,144 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:21:28,144 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:21:28,144 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:21:28,169 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:21:28,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 14:21:28,190 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:21:28,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 14:21:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-12-14 14:21:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 14:21:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-12-14 14:21:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-12-14 14:21:28,307 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 14:21:28,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 14:21:28,342 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 14:21:28,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 14:21:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:28,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:28,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:28,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:28,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,139 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 14:21:29,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-12-14 14:21:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 347 [2022-12-14 14:21:29,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-12-14 14:21:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-12-14 14:21:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,590 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-12-14 14:21:29,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 502 [2022-12-14 14:21:29,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,694 INFO L321 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2022-12-14 14:21:29,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 463 treesize of output 463 [2022-12-14 14:21:29,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,747 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:21:29,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 475 treesize of output 472 [2022-12-14 14:21:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:29,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 519 treesize of output 474 [2022-12-14 14:21:29,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 434 [2022-12-14 14:21:29,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 14:21:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:30,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:30,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,015 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:21:30,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 484 treesize of output 451 [2022-12-14 14:21:30,064 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 14:21:30,065 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 561 treesize of output 500 [2022-12-14 14:21:30,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 482 treesize of output 406 [2022-12-14 14:21:30,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 413 [2022-12-14 14:21:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,244 INFO L321 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-12-14 14:21:30,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 967 treesize of output 985 [2022-12-14 14:21:30,271 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 14:21:30,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 962 treesize of output 961 [2022-12-14 14:21:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:30,457 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:30,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:30,530 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:30,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-12-14 14:21:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:21:30,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:30,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 103 treesize of output 55 [2022-12-14 14:21:30,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:30,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:30,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 119 treesize of output 71 [2022-12-14 14:21:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-12-14 14:21:30,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:30,719 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 6 treesize of output 5 [2022-12-14 14:21:30,744 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 [2022-12-14 14:21:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:30,857 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:30,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:30,919 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:30,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 14:21:30,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:30,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:31,024 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:31,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:21:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:31,062 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 14:21:31,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 207 [2022-12-14 14:21:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:31,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2022-12-14 14:21:31,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:31,241 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:21:31,516 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '898#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-12-14 14:21:31,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:21:31,517 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:21:31,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 26 [2022-12-14 14:21:31,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43836473] [2022-12-14 14:21:31,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:21:31,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-14 14:21:31,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-14 14:21:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=827, Unknown=2, NotChecked=0, Total=930 [2022-12-14 14:21:31,519 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:21:35,725 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-12-14 14:21:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 14:21:35,725 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 14:21:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:21:35,726 INFO L225 Difference]: With dead ends: 35 [2022-12-14 14:21:35,726 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 14:21:35,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=329, Invalid=1561, Unknown=2, NotChecked=0, Total=1892 [2022-12-14 14:21:35,727 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 140 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:21:35,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 43 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 147 Invalid, 6 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 14:21:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 14:21:35,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2022-12-14 14:21:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-12-14 14:21:35,733 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 19 [2022-12-14 14:21:35,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:21:35,733 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-12-14 14:21:35,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-14 14:21:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 14:21:35,733 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:35,733 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:21:35,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:21:35,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 14:21:35,935 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:35,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:35,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1008589744, now seen corresponding path program 1 times [2022-12-14 14:21:35,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:35,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171194807] [2022-12-14 14:21:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:21:37,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:37,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171194807] [2022-12-14 14:21:37,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171194807] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:21:37,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433157211] [2022-12-14 14:21:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:37,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:37,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:21:37,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:21:37,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:21:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:37,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 94 conjunts are in the unsatisfiable core [2022-12-14 14:21:37,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:21:37,476 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 6 treesize of output 5 [2022-12-14 14:21:37,490 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 14:21:37,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 14:21:37,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 14:21:37,539 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 14:21:37,540 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 40 [2022-12-14 14:21:37,588 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-14 14:21:37,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-12-14 14:21:37,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 14:21:37,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-14 14:21:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:37,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 60 treesize of output 41 [2022-12-14 14:21:37,657 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 0 case distinctions, treesize of input 40 treesize of output 42 [2022-12-14 14:21:37,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 25 [2022-12-14 14:21:37,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 14:21:37,838 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 14:21:37,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 30 [2022-12-14 14:21:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:21:37,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:21:37,948 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:37,949 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 102 [2022-12-14 14:21:37,961 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:37,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2022-12-14 14:21:37,978 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:37,979 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 87 [2022-12-14 14:21:38,013 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 14:21:38,013 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 2 case distinctions, treesize of input 10 treesize of output 18 [2022-12-14 14:21:38,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 75 [2022-12-14 14:21:38,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 14:21:38,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2022-12-14 14:21:38,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 146 [2022-12-14 14:21:38,102 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:38,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:21:40,306 INFO L321 Elim1Store]: treesize reduction 22, result has 60.0 percent of original size [2022-12-14 14:21:40,307 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 81 [2022-12-14 14:21:40,339 INFO L321 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2022-12-14 14:21:40,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2022-12-14 14:21:40,608 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-12-14 14:21:40,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 104 [2022-12-14 14:21:40,620 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:40,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 80 [2022-12-14 14:21:40,637 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:40,637 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 68 [2022-12-14 14:21:40,661 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 14:21:40,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 10 treesize of output 18 [2022-12-14 14:21:40,791 INFO L321 Elim1Store]: treesize reduction 61, result has 68.9 percent of original size [2022-12-14 14:21:40,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 902 treesize of output 978 [2022-12-14 14:21:40,841 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:40,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1095 treesize of output 1001 [2022-12-14 14:21:40,906 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:40,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 952 treesize of output 948 [2022-12-14 14:21:40,943 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:40,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 928 treesize of output 920 [2022-12-14 14:21:42,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:21:42,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:21:44,524 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:44,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 14:21:44,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:21:44,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 300 treesize of output 296 [2022-12-14 14:21:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 7 refuted. 1 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:21:45,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433157211] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:21:45,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1767380570] [2022-12-14 14:21:45,786 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 14:21:45,786 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:21:45,786 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:21:45,786 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:21:45,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:21:45,811 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:21:45,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 14:21:45,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 14:21:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2022-12-14 14:21:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-12-14 14:21:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:45,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-12-14 14:21:45,913 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 14:21:45,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 14:21:45,946 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 14:21:45,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 14:21:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-12-14 14:21:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-12-14 14:21:46,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:46,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:46,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:46,856 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 14:21:46,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-12-14 14:21:46,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:46,998 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-12-14 14:21:47,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,611 INFO L321 Elim1Store]: treesize reduction 94, result has 35.2 percent of original size [2022-12-14 14:21:47,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 373 treesize of output 373 [2022-12-14 14:21:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,742 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-12-14 14:21:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:47,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:47,986 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 14:21:47,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 385 treesize of output 382 [2022-12-14 14:21:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 347 [2022-12-14 14:21:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-12-14 14:21:48,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-12-14 14:21:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:48,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:48,229 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-12-14 14:21:48,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 502 [2022-12-14 14:21:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:48,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,323 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 14:21:48,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-12-14 14:21:48,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,541 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 519 treesize of output 474 [2022-12-14 14:21:48,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 434 [2022-12-14 14:21:48,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 14:21:48,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 498 treesize of output 453 [2022-12-14 14:21:48,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 14:21:48,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 413 [2022-12-14 14:21:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,816 INFO L321 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-12-14 14:21:48,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1105 treesize of output 1123 [2022-12-14 14:21:48,852 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 14:21:48,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1100 treesize of output 1099 [2022-12-14 14:21:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:48,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:49,040 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:49,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:49,137 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:49,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-12-14 14:21:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:49,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 103 treesize of output 55 [2022-12-14 14:21:49,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:49,290 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 14:21:49,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 83 [2022-12-14 14:21:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2022-12-14 14:21:49,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:49,329 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 6 treesize of output 5 [2022-12-14 14:21:49,335 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 [2022-12-14 14:21:49,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:49,482 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:21:49,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-12-14 14:21:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:49,557 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 14:21:49,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 14:21:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 14:21:49,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 14:21:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:21:49,668 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 14:21:49,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 14:21:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 14:21:49,704 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 14:21:49,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 207 [2022-12-14 14:21:49,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:21:49,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:21:49,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2022-12-14 14:21:49,914 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:21:50,287 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1159#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (or (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (not (= |ULTIMATE.start_main_~head~1#1.offset| 0))) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0))' at error location [2022-12-14 14:21:50,287 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:21:50,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:21:50,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 28 [2022-12-14 14:21:50,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515884918] [2022-12-14 14:21:50,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:21:50,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-14 14:21:50,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-14 14:21:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1021, Unknown=1, NotChecked=0, Total=1122 [2022-12-14 14:21:50,289 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:53,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:21:53,291 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-12-14 14:21:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 14:21:53,291 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 14:21:53,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:21:53,292 INFO L225 Difference]: With dead ends: 33 [2022-12-14 14:21:53,292 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 14:21:53,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=288, Invalid=1691, Unknown=1, NotChecked=0, Total=1980 [2022-12-14 14:21:53,293 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 144 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:21:53,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 69 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 14:21:53,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 14:21:53,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2022-12-14 14:21:53,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-14 14:21:53,298 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 20 [2022-12-14 14:21:53,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:21:53,298 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-14 14:21:53,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:21:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 14:21:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 14:21:53,299 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:53,299 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 1, 1, 1, 1] [2022-12-14 14:21:53,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:21:53,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:53,501 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:53,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:53,502 INFO L85 PathProgramCache]: Analyzing trace with hash 800656248, now seen corresponding path program 2 times [2022-12-14 14:21:53,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:53,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942273243] [2022-12-14 14:21:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:53,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:21:55,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:55,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942273243] [2022-12-14 14:21:55,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942273243] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:21:55,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099040788] [2022-12-14 14:21:55,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:21:55,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:21:55,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:21:55,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:21:55,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd26ccc-8e1c-4e43-a8bc-a23b7e3a81cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 14:21:59,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-12-14 14:21:59,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:21:59,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 161 conjunts are in the unsatisfiable core [2022-12-14 14:21:59,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:21:59,697 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 6 treesize of output 5 [2022-12-14 14:21:59,713 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 14:21:59,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 14:21:59,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 14:21:59,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2022-12-14 14:21:59,826 INFO L321 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2022-12-14 14:21:59,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 14:21:59,956 INFO L321 Elim1Store]: treesize reduction 52, result has 44.1 percent of original size [2022-12-14 14:21:59,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 85 [2022-12-14 14:21:59,976 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 14:21:59,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2022-12-14 14:22:00,003 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 14:22:00,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 34 [2022-12-14 14:22:00,130 INFO L321 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2022-12-14 14:22:00,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 29 [2022-12-14 14:22:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:22:00,264 INFO L321 Elim1Store]: treesize reduction 21, result has 58.8 percent of original size [2022-12-14 14:22:00,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 79 [2022-12-14 14:22:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:22:00,290 INFO L321 Elim1Store]: treesize reduction 21, result has 58.8 percent of original size [2022-12-14 14:22:00,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 72 [2022-12-14 14:22:00,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 14:22:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:22:00,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 189 treesize of output 134 [2022-12-14 14:22:00,313 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 0 case distinctions, treesize of input 147 treesize of output 131 [2022-12-14 14:22:00,329 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 0 case distinctions, treesize of input 23 treesize of output 29 [2022-12-14 14:22:00,343 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 0 case distinctions, treesize of input 23 treesize of output 29 [2022-12-14 14:22:00,353 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 18 treesize of output 26 [2022-12-14 14:22:00,373 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2022-12-14 14:22:00,385 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 11 treesize of output 15 [2022-12-14 14:22:01,303 INFO L321 Elim1Store]: treesize reduction 64, result has 50.4 percent of original size [2022-12-14 14:22:01,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 254 treesize of output 210 [2022-12-14 14:22:02,518 INFO L321 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2022-12-14 14:22:02,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 42 [2022-12-14 14:22:02,535 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 14:22:02,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 39 [2022-12-14 14:22:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:22:02,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:22:03,014 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:03,014 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 136 [2022-12-14 14:22:03,029 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:03,029 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 116 [2022-12-14 14:22:03,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 14:22:16,083 WARN L233 SmtUtils]: Spent 12.24s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:22:18,963 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:18,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 222 treesize of output 221 [2022-12-14 14:22:19,021 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:19,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 215 treesize of output 214 [2022-12-14 14:22:19,363 INFO L321 Elim1Store]: treesize reduction 27, result has 60.9 percent of original size [2022-12-14 14:22:19,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 208 treesize of output 242 [2022-12-14 14:22:19,419 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:19,420 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 169 [2022-12-14 14:22:19,493 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:19,493 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 36 [2022-12-14 14:22:19,569 INFO L321 Elim1Store]: treesize reduction 30, result has 60.0 percent of original size [2022-12-14 14:22:19,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 87 [2022-12-14 14:22:19,579 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:19,579 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 1 case distinctions, treesize of input 11 treesize of output 10 [2022-12-14 14:22:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:22:19,620 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 35 treesize of output 8 [2022-12-14 14:22:19,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 14:22:25,982 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:22:25,983 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:25,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 10099 treesize of output 10345 [2022-12-14 14:22:28,297 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:28,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 10430 treesize of output 10396 [2022-12-14 14:22:30,865 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:30,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 11184 treesize of output 11150 [2022-12-14 14:22:33,694 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:33,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 11958 treesize of output 11893 [2022-12-14 14:22:34,334 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:34,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 11734 treesize of output 11731 [2022-12-14 14:22:35,062 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:35,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 11712 treesize of output 11709 [2022-12-14 14:22:35,776 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:22:35,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 11690 treesize of output 11687