./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/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_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:31:37,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:31:37,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:31:37,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:31:37,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:31:37,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:31:37,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:31:37,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:31:37,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:31:37,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:31:37,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:31:37,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:31:37,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:31:37,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:31:37,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:31:37,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:31:37,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:31:37,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:31:37,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:31:37,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:31:37,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:31:37,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:31:37,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:31:37,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:31:37,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:31:37,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:31:37,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:31:37,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:31:37,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:31:37,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:31:37,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:31:37,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:31:37,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:31:37,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:31:37,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:31:37,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:31:37,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:31:37,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:31:37,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:31:37,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:31:37,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:31:37,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:31:37,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:31:37,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:31:37,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:31:37,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:31:37,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:31:37,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:31:37,448 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:31:37,449 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:31:37,449 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:31:37,449 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:31:37,449 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:31:37,450 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:31:37,450 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:31:37,450 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:31:37,450 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:31:37,450 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:31:37,451 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:31:37,451 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:31:37,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:31:37,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:31:37,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:31:37,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:31:37,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:31:37,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:31:37,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:31:37,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:31:37,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:31:37,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:31:37,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:31:37,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:31:37,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:31:37,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:31:37,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:31:37,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:31:37,455 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:31:37,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:31:37,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:31:37,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:31:37,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:31:37,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:31:37,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:31:37,457 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_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2022-11-03 03:31:37,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:31:37,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:31:37,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:31:37,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:31:37,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:31:37,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-11-03 03:31:37,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/data/e29cb5c46/c7e9a9904c1845d888d023ade81b7297/FLAGbae17eaa7 [2022-11-03 03:31:38,542 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:31:38,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-11-03 03:31:38,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/data/e29cb5c46/c7e9a9904c1845d888d023ade81b7297/FLAGbae17eaa7 [2022-11-03 03:31:38,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/data/e29cb5c46/c7e9a9904c1845d888d023ade81b7297 [2022-11-03 03:31:38,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:31:38,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:31:38,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:31:38,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:31:38,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:31:38,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:31:38" (1/1) ... [2022-11-03 03:31:38,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9255c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:38, skipping insertion in model container [2022-11-03 03:31:38,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:31:38" (1/1) ... [2022-11-03 03:31:38,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:31:38,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:31:39,320 WARN L230 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_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-11-03 03:31:39,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:31:39,341 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:31:39,406 WARN L230 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_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-11-03 03:31:39,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:31:39,446 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:31:39,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39 WrapperNode [2022-11-03 03:31:39,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:31:39,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:31:39,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:31:39,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:31:39,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,530 INFO L138 Inliner]: procedures = 122, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2022-11-03 03:31:39,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:31:39,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:31:39,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:31:39,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:31:39,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:31:39,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:31:39,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:31:39,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:31:39,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (1/1) ... [2022-11-03 03:31:39,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:31:39,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:39,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:31:39,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:31:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:31:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:31:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:31:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:31:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:31:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:31:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:31:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:31:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:31:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:31:39,787 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:31:39,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:31:40,044 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:31:40,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:31:40,205 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 03:31:40,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:40 BoogieIcfgContainer [2022-11-03 03:31:40,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:31:40,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:31:40,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:31:40,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:31:40,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:31:38" (1/3) ... [2022-11-03 03:31:40,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dffd168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:31:40, skipping insertion in model container [2022-11-03 03:31:40,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:39" (2/3) ... [2022-11-03 03:31:40,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dffd168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:31:40, skipping insertion in model container [2022-11-03 03:31:40,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:40" (3/3) ... [2022-11-03 03:31:40,221 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-2.i [2022-11-03 03:31:40,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:31:40,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:31:40,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:31:40,359 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;@6e109a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:31:40,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:31:40,367 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) [2022-11-03 03:31:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 03:31:40,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:40,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 03:31:40,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:40,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:40,386 INFO L85 PathProgramCache]: Analyzing trace with hash -388178468, now seen corresponding path program 1 times [2022-11-03 03:31:40,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:40,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545105002] [2022-11-03 03:31:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:40,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:40,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:40,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545105002] [2022-11-03 03:31:40,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545105002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:40,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:40,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:31:40,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431180359] [2022-11-03 03:31:40,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:40,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:31:40,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:40,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:31:40,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:40,778 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) [2022-11-03 03:31:40,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:40,874 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-11-03 03:31:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:40,884 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 [2022-11-03 03:31:40,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:40,893 INFO L225 Difference]: With dead ends: 25 [2022-11-03 03:31:40,898 INFO L226 Difference]: Without dead ends: 12 [2022-11-03 03:31:40,903 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 [2022-11-03 03:31:40,907 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 13 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 [2022-11-03 03:31:40,910 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] [2022-11-03 03:31:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-03 03:31:40,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-03 03:31:40,947 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) [2022-11-03 03:31:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-03 03:31:40,950 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-11-03 03:31:40,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:40,952 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-03 03:31:40,953 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) [2022-11-03 03:31:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-11-03 03:31:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 03:31:40,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:40,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:40,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:31:40,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:40,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:40,956 INFO L85 PathProgramCache]: Analyzing trace with hash 106014133, now seen corresponding path program 1 times [2022-11-03 03:31:40,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:40,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424344945] [2022-11-03 03:31:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:40,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:41,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:41,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424344945] [2022-11-03 03:31:41,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424344945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:41,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136536893] [2022-11-03 03:31:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:41,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:41,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:31:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:41,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:31:41,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:41,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:31:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:41,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136536893] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:31:41,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [265579901] [2022-11-03 03:31:41,626 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:31:41,626 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:31:41,630 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:31:41,636 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:31:41,637 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:31:41,773 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 03:31:41,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:41,836 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:31:41,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:41,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,273 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:31:42,274 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:43,017 INFO L244 Elim1Store]: Index analysis took 213 ms [2022-11-03 03:31:43,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:43,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:43,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:43,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:43,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:45,011 INFO L356 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-11-03 03:31:45,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:45,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:45,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:45,808 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-03 03:31:45,808 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:45,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:45,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:46,271 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 03:31:46,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:46,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:46,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:46,570 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:31:46,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,976 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 03:31:46,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:46,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:47,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:47,446 INFO L356 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-03 03:31:47,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,628 INFO L356 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-03 03:31:47,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:47,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:47,981 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:31:47,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:48,110 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:31:48,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,264 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:31:48,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,369 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-03 03:31:48,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:31:48,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:48,665 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:31:48,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:48,778 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:31:48,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,893 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:31:48,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,942 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:31:48,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:48,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:49,244 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:31:49,910 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 [2022-11-03 03:31:49,910 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:31:49,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:31:49,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-03 03:31:49,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674178595] [2022-11-03 03:31:49,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:31:49,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:49,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:31:49,913 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) [2022-11-03 03:31:50,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:50,256 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-11-03 03:31:50,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:31:50,257 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 [2022-11-03 03:31:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:50,257 INFO L225 Difference]: With dead ends: 24 [2022-11-03 03:31:50,257 INFO L226 Difference]: Without dead ends: 17 [2022-11-03 03:31:50,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:31:50,259 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:50,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:31:50,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-03 03:31:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-03 03:31:50,263 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) [2022-11-03 03:31:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-03 03:31:50,263 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-11-03 03:31:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:50,264 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-03 03:31:50,264 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) [2022-11-03 03:31:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-03 03:31:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 03:31:50,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:50,265 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:50,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:50,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:50,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:50,491 INFO L85 PathProgramCache]: Analyzing trace with hash -485830720, now seen corresponding path program 2 times [2022-11-03 03:31:50,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:50,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215143564] [2022-11-03 03:31:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:50,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:50,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215143564] [2022-11-03 03:31:50,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215143564] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178504363] [2022-11-03 03:31:50,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:31:50,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:50,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:50,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:50,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:31:55,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-03 03:31:55,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:31:55,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 03:31:55,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:55,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:31:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:55,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178504363] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:31:55,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [286935268] [2022-11-03 03:31:55,675 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:31:55,675 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:31:55,676 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:31:55,676 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:31:55,676 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:31:55,722 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 03:31:55,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,771 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:31:55,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:55,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:55,990 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:31:55,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:56,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:56,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:56,592 INFO L244 Elim1Store]: Index analysis took 155 ms [2022-11-03 03:31:56,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:56,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:56,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,227 INFO L356 Elim1Store]: treesize reduction 72, result has 28.7 percent of original size [2022-11-03 03:31:58,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,412 INFO L244 Elim1Store]: Index analysis took 110 ms [2022-11-03 03:31:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,701 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-03 03:31:58,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:58,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:58,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:58,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:59,213 INFO L356 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-03 03:31:59,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,414 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:59,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:59,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:59,529 INFO L356 Elim1Store]: treesize reduction 74, result has 34.5 percent of original size [2022-11-03 03:31:59,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:31:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:59,736 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:31:59,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:00,282 INFO L356 Elim1Store]: treesize reduction 136, result has 29.5 percent of original size [2022-11-03 03:32:00,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,346 INFO L356 Elim1Store]: treesize reduction 71, result has 19.3 percent of original size [2022-11-03 03:32:00,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:00,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:01,172 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:01,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:01,292 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:32:01,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:32:01,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:01,898 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 03:32:01,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:01,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:02,054 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:02,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,207 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:32:02,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:02,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:02,454 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:32:03,198 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 [2022-11-03 03:32:03,198 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:32:03,199 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:32:03,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-11-03 03:32:03,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97158632] [2022-11-03 03:32:03,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:32:03,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:32:03,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:03,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:32:03,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:32:03,201 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) [2022-11-03 03:32:03,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:03,416 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-03 03:32:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:32:03,417 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 [2022-11-03 03:32:03,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:03,417 INFO L225 Difference]: With dead ends: 26 [2022-11-03 03:32:03,417 INFO L226 Difference]: Without dead ends: 19 [2022-11-03 03:32:03,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:32:03,419 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:03,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:32:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-03 03:32:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-03 03:32:03,423 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) [2022-11-03 03:32:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-03 03:32:03,424 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-11-03 03:32:03,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:03,424 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-03 03:32:03,425 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) [2022-11-03 03:32:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-03 03:32:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:32:03,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:03,426 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:03,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 03:32:03,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:03,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:03,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:03,627 INFO L85 PathProgramCache]: Analyzing trace with hash 751480473, now seen corresponding path program 3 times [2022-11-03 03:32:03,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:03,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780241954] [2022-11-03 03:32:03,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:03,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 03:32:05,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:05,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780241954] [2022-11-03 03:32:05,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780241954] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:05,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525717142] [2022-11-03 03:32:05,896 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 03:32:05,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:05,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:05,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:05,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:32:06,174 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 03:32:06,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:32:06,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-03 03:32:06,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:06,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,224 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 03:32:06,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:32:06,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:32:06,590 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:06,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,617 INFO L356 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-03 03:32:06,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,645 INFO L356 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-03 03:32:06,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,678 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:06,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:32:06,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525717142] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:32:06,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1386898547] [2022-11-03 03:32:06,754 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:32:06,755 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:32:06,755 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:32:06,755 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:32:06,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:32:06,805 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 03:32:06,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,866 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:32:06,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:06,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:06,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:07,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:07,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:07,116 INFO L356 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-03 03:32:07,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:07,191 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:32:07,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,675 INFO L244 Elim1Store]: Index analysis took 328 ms [2022-11-03 03:32:07,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:07,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:08,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:09,796 INFO L356 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-11-03 03:32:09,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,027 INFO L244 Elim1Store]: Index analysis took 171 ms [2022-11-03 03:32:10,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:10,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:10,556 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-03 03:32:10,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:10,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:10,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:11,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:11,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,496 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 03:32:11,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:11,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,800 INFO L356 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-03 03:32:11,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:11,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:11,900 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:32:11,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,164 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 03:32:12,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:12,892 INFO L356 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-11-03 03:32:12,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:12,948 INFO L356 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-03 03:32:12,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:13,305 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 03:32:13,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:13,484 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:13,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,677 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:32:13,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,729 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:32:13,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:13,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:13,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:32:13,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:14,129 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 03:32:14,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:14,265 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:14,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,447 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:32:14,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,533 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 03:32:14,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:14,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:14,688 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:32:15,482 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 [2022-11-03 03:32:15,482 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:32:15,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:32:15,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 14 [2022-11-03 03:32:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039952222] [2022-11-03 03:32:15,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:32:15,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 03:32:15,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:15,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 03:32:15,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-11-03 03:32:15,486 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) [2022-11-03 03:32:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:16,346 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-11-03 03:32:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:32:16,349 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 [2022-11-03 03:32:16,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:16,350 INFO L225 Difference]: With dead ends: 32 [2022-11-03 03:32:16,350 INFO L226 Difference]: Without dead ends: 30 [2022-11-03 03:32:16,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=141, Invalid=615, Unknown=0, NotChecked=0, Total=756 [2022-11-03 03:32:16,352 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 92 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:16,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 31 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:32:16,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-03 03:32:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2022-11-03 03:32:16,359 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) [2022-11-03 03:32:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-03 03:32:16,360 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 16 [2022-11-03 03:32:16,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:16,360 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-03 03:32:16,360 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) [2022-11-03 03:32:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-03 03:32:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 03:32:16,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:16,362 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:16,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:32:16,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:16,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:16,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1818760279, now seen corresponding path program 1 times [2022-11-03 03:32:16,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:16,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827181461] [2022-11-03 03:32:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:16,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 03:32:17,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:17,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827181461] [2022-11-03 03:32:17,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827181461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:17,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297109383] [2022-11-03 03:32:17,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:17,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:17,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:17,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:17,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:32:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:17,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-03 03:32:17,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:17,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:17,996 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 03:32:17,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,022 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:32:18,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,083 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:18,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:32:18,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:32:18,160 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:18,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,187 INFO L356 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-03 03:32:18,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,229 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-03 03:32:18,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,250 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:18,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:32:18,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297109383] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:32:18,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [28390104] [2022-11-03 03:32:18,353 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 03:32:18,354 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:32:18,354 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:32:18,354 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:32:18,355 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:32:18,405 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:32:18,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,626 INFO L356 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-03 03:32:18,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,700 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:32:18,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:18,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:19,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,518 INFO L244 Elim1Store]: Index analysis took 137 ms [2022-11-03 03:32:19,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:19,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:19,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:20,794 INFO L356 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-11-03 03:32:20,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,219 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-03 03:32:21,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:21,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,605 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 03:32:21,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,749 INFO L356 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-03 03:32:21,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,845 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:32:21,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,250 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-03 03:32:22,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,545 INFO L356 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-03 03:32:22,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,664 INFO L356 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-03 03:32:22,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:22,915 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:22,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,046 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:32:23,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,206 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:32:23,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:32:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,617 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:23,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,742 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:32:23,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,808 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:23,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:24,173 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:32:25,246 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 [2022-11-03 03:32:25,247 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:32:25,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:32:25,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2022-11-03 03:32:25,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640636958] [2022-11-03 03:32:25,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:32:25,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 03:32:25,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:25,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 03:32:25,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2022-11-03 03:32:25,250 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) [2022-11-03 03:32:26,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:26,274 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-11-03 03:32:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:32:26,275 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 [2022-11-03 03:32:26,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:26,276 INFO L225 Difference]: With dead ends: 30 [2022-11-03 03:32:26,276 INFO L226 Difference]: Without dead ends: 26 [2022-11-03 03:32:26,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2022-11-03 03:32:26,278 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 81 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:26,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 35 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 81 Invalid, 0 Unknown, 9 Unchecked, 0.8s Time] [2022-11-03 03:32:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-03 03:32:26,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2022-11-03 03:32:26,284 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) [2022-11-03 03:32:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-03 03:32:26,285 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2022-11-03 03:32:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:26,285 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-03 03:32:26,286 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) [2022-11-03 03:32:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-03 03:32:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 03:32:26,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:26,287 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1] [2022-11-03 03:32:26,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:32:26,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:26,491 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1985459807, now seen corresponding path program 1 times [2022-11-03 03:32:26,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:26,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732729025] [2022-11-03 03:32:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 03:32:29,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:29,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732729025] [2022-11-03 03:32:29,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732729025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:29,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315031793] [2022-11-03 03:32:29,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:29,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:29,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:29,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:32:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:30,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 85 conjunts are in the unsatisfiable core [2022-11-03 03:32:30,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:30,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:30,327 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 03:32:30,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:30,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:30,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:30,495 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-03 03:32:30,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:30,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 25 [2022-11-03 03:32:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:30,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 66 treesize of output 35 [2022-11-03 03:32:30,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 27 treesize of output 31 [2022-11-03 03:32:30,602 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:32:30,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 63 [2022-11-03 03:32:30,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 62 [2022-11-03 03:32:30,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 31 [2022-11-03 03:32:30,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 36 [2022-11-03 03:32:30,845 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:30,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 10 [2022-11-03 03:32:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:32:30,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:32:31,209 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:31,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,227 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:31,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,268 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-03 03:32:31,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,293 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:31,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,533 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,735 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:31,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:31,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:32,112 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (.cse3 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 16)) (.cse12 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 8)) (.cse20 (= 0 |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (.cse19 (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| 0))) (let ((.cse0 (or (and (forall ((v_ArrVal_1850 (Array Int Int)) (v_arrayElimCell_522 Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_1850) v_arrayElimCell_522) .cse3) 0)) (forall ((v_arrayElimCell_520 Int) (v_prenex_45 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_45) v_arrayElimCell_520) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0)) (forall ((v_prenex_46 (Array Int Int)) (v_arrayElimCell_521 Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_46) v_arrayElimCell_521) .cse12) 0))) (not .cse20) (not .cse19))) (.cse1 (not .cse15)) (.cse5 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse14 (and .cse19 .cse20))) (and .cse0 (or .cse1 (and (or (and (forall ((v_arrayElimCell_519 Int) (v_prenex_65 (Array Int Int)) (v_prenex_64 Int) (v_arrayElimCell_515 Int)) (let ((.cse2 (select (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_65))) (store .cse4 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse4 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_64))) v_arrayElimCell_519))) (or (= 0 (select .cse2 .cse3)) (= (select .cse2 (+ 16 v_arrayElimCell_515)) 0)))) (forall ((v_prenex_60 (Array Int Int)) (v_arrayElimCell_516 Int) (v_arrayElimCell_519 Int) (v_prenex_61 Int)) (= (select (select (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_60))) (store .cse6 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse6 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_61))) v_arrayElimCell_519) (+ v_arrayElimCell_516 8)) 0)) (forall ((v_arrayElimCell_519 Int) (v_prenex_70 (Array Int Int)) (v_prenex_69 Int) (v_prenex_71 Int)) (= (select (select (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_70))) (store .cse7 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse7 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_69))) v_arrayElimCell_519) (+ 16 v_prenex_71)) 0)) (forall ((v_arrayElimCell_517 Int) (v_arrayElimCell_519 Int) (v_prenex_47 Int) (v_prenex_49 (Array Int Int))) (let ((.cse8 (select (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_49))) (store .cse9 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse9 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_47))) v_arrayElimCell_519))) (or (= (select .cse8 v_arrayElimCell_517) 0) (= (select .cse8 |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0)))) (forall ((v_arrayElimCell_519 Int) (v_prenex_67 Int) (v_prenex_66 Int) (v_prenex_68 (Array Int Int))) (= (select (select (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_68))) (store .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_67))) v_arrayElimCell_519) v_prenex_66) 0)) (forall ((v_arrayElimCell_519 Int) (v_prenex_73 (Array Int Int)) (v_prenex_74 Int) (v_prenex_72 Int)) (let ((.cse11 (select (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_73))) (store .cse13 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse13 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_74))) v_arrayElimCell_519))) (or (= (select .cse11 .cse12) 0) (= (select .cse11 (+ v_prenex_72 8)) 0))))) .cse14) .cse0)) (or (and (or .cse1 (forall ((v_prenex_60 (Array Int Int)) (v_arrayElimCell_516 Int) (v_prenex_61 Int)) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_60) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_61) (+ v_arrayElimCell_516 8)) 0))) (or .cse15 (forall ((v_prenex_63 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_63) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0))) (forall ((v_prenex_65 (Array Int Int)) (v_prenex_64 Int) (v_arrayElimCell_515 Int)) (let ((.cse16 (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_65) |c_ULTIMATE.start_dll_create_~head~0#1.base|))) (or (= 0 (select .cse16 .cse3)) (= (select (store .cse16 .cse5 v_prenex_64) (+ 16 v_arrayElimCell_515)) 0)))) (or (forall ((v_prenex_67 Int) (v_prenex_66 Int) (v_prenex_68 (Array Int Int))) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_68) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_67) v_prenex_66) 0)) .cse1) (forall ((v_prenex_73 (Array Int Int)) (v_prenex_74 Int) (v_prenex_72 Int)) (let ((.cse17 (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_73) |c_ULTIMATE.start_dll_create_~head~0#1.base|))) (or (= (select .cse17 .cse12) 0) (= (select (store .cse17 .cse5 v_prenex_74) (+ v_prenex_72 8)) 0)))) (or (forall ((v_prenex_53 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_53) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3))) .cse15) (or .cse15 (forall ((v_prenex_52 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_52) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse12)))) (forall ((v_arrayElimCell_517 Int) (v_prenex_47 Int) (v_prenex_49 (Array Int Int))) (let ((.cse18 (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_49) |c_ULTIMATE.start_dll_create_~head~0#1.base|))) (or (= (select (store .cse18 .cse5 v_prenex_47) v_arrayElimCell_517) 0) (= (select .cse18 |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0)))) (or .cse1 (forall ((v_prenex_70 (Array Int Int)) (v_prenex_69 Int) (v_prenex_71 Int)) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_prenex_70) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse5 v_prenex_69) (+ 16 v_prenex_71)) 0)))) .cse14)))) is different from false [2022-11-03 03:32:32,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 20 [2022-11-03 03:32:32,373 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-11-03 03:32:32,376 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-11-03 03:32:32,379 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-11-03 03:32:32,383 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-11-03 03:32:32,386 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-11-03 03:32:32,392 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-11-03 03:32:43,905 WARN L234 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 141 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:32:43,970 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:43,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,001 INFO L356 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-03 03:32:44,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,033 INFO L356 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-03 03:32:44,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,097 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-03 03:32:44,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,126 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:44,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 204 treesize of output 158 [2022-11-03 03:32:44,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 98 treesize of output 94 [2022-11-03 03:32:44,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 94 treesize of output 90 [2022-11-03 03:32:44,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 90 treesize of output 88 [2022-11-03 03:32:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 2 not checked. [2022-11-03 03:32:44,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315031793] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:32:44,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2036865507] [2022-11-03 03:32:44,616 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:32:44,617 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:32:44,617 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:32:44,617 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:32:44,617 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:32:44,671 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 03:32:44,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,723 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:32:44,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,954 INFO L356 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-03 03:32:44,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:45,038 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:32:45,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:45,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:45,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:45,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:45,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:46,542 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 03:32:46,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:46,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,268 INFO L356 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-03 03:32:47,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,424 INFO L356 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2022-11-03 03:32:47,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,533 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:32:47,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:47,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:47,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:47,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:47,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,949 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:32:47,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,029 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 03:32:48,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,379 INFO L356 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-11-03 03:32:48,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,420 INFO L356 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-03 03:32:48,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:48,684 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:48,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:48,781 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:32:48,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:48,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:32:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:49,320 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:32:49,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:49,418 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:32:49,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,571 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:32:49,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,629 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 03:32:49,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:49,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:49,898 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:32:50,322 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '899#(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 [2022-11-03 03:32:50,323 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:32:50,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:32:50,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 27 [2022-11-03 03:32:50,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622832861] [2022-11-03 03:32:50,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:32:50,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-03 03:32:50,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:50,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-03 03:32:50,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=832, Unknown=1, NotChecked=58, Total=992 [2022-11-03 03:32:50,325 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 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) [2022-11-03 03:32:52,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:52,125 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-03 03:32:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:32:52,127 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 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 [2022-11-03 03:32:52,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:52,128 INFO L225 Difference]: With dead ends: 31 [2022-11-03 03:32:52,128 INFO L226 Difference]: Without dead ends: 29 [2022-11-03 03:32:52,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=181, Invalid=1304, Unknown=1, NotChecked=74, Total=1560 [2022-11-03 03:32:52,130 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 8 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:52,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 77 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 47 Unchecked, 1.1s Time] [2022-11-03 03:32:52,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-03 03:32:52,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2022-11-03 03:32:52,140 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) [2022-11-03 03:32:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-03 03:32:52,141 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 19 [2022-11-03 03:32:52,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:52,141 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-03 03:32:52,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 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) [2022-11-03 03:32:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-03 03:32:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 03:32:52,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:52,143 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:52,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:32:52,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 03:32:52,371 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:52,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:52,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1417413969, now seen corresponding path program 1 times [2022-11-03 03:32:52,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:52,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052942761] [2022-11-03 03:32:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:52,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 03:32:54,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:54,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052942761] [2022-11-03 03:32:54,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052942761] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:54,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963537499] [2022-11-03 03:32:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:54,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:54,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:54,632 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:54,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:32:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:54,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 86 conjunts are in the unsatisfiable core [2022-11-03 03:32:54,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:54,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,011 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 03:32:55,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,068 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:32:55,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,125 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-03 03:32:55,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 32 [2022-11-03 03:32:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:55,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 74 treesize of output 45 [2022-11-03 03:32:55,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 27 treesize of output 31 [2022-11-03 03:32:55,201 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 31 [2022-11-03 03:32:55,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 48 [2022-11-03 03:32:55,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 10 [2022-11-03 03:32:55,434 INFO L356 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2022-11-03 03:32:55,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 30 [2022-11-03 03:32:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:32:55,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:32:55,579 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:55,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,594 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:55,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,614 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:55,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,652 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-03 03:32:55,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:55,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:56,086 INFO L356 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2022-11-03 03:32:56,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 85 [2022-11-03 03:32:56,111 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:56,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 [2022-11-03 03:32:56,293 INFO L356 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-03 03:32:56,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:56,308 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:56,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:56,331 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:56,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:56,365 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-03 03:32:56,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:56,504 INFO L356 Elim1Store]: treesize reduction 50, result has 66.4 percent of original size [2022-11-03 03:32:56,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1287 treesize of output 1282 [2022-11-03 03:32:56,567 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:56,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1433 treesize of output 1227 [2022-11-03 03:32:56,624 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:56,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1170 treesize of output 1154 [2022-11-03 03:32:57,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:57,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:57,233 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:32:57,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 185 treesize of output 235 [2022-11-03 03:33:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 7 refuted. 1 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:33:01,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963537499] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:33:01,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [509724987] [2022-11-03 03:33:01,061 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 03:33:01,062 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:33:01,062 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:33:01,062 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:33:01,063 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:33:01,121 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:33:01,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,310 INFO L356 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-03 03:33:01,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,382 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:33:01,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:01,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:01,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:01,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:01,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:01,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:02,504 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 03:33:02,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,647 INFO L244 Elim1Store]: Index analysis took 103 ms [2022-11-03 03:33:02,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:02,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:02,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:02,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:03,471 INFO L356 Elim1Store]: treesize reduction 94, result has 35.2 percent of original size [2022-11-03 03:33:03,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,665 INFO L244 Elim1Store]: Index analysis took 124 ms [2022-11-03 03:33:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:03,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:03,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:03,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:03,996 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-03 03:33:03,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:04,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:04,345 INFO L356 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-03 03:33:04,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,466 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-03 03:33:04,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:04,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,066 INFO L356 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-11-03 03:33:05,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,111 INFO L356 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-03 03:33:05,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:05,356 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:33:05,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:05,494 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:33:05,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,741 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 03:33:05,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:05,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:33:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:05,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:06,027 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:33:06,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:06,152 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-03 03:33:06,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,300 INFO L356 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-03 03:33:06,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,348 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 03:33:06,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:06,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:06,604 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:33:07,214 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1143#(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 [2022-11-03 03:33:07,214 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:33:07,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:33:07,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 28 [2022-11-03 03:33:07,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914693633] [2022-11-03 03:33:07,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:33:07,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 03:33:07,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:07,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 03:33:07,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1010, Unknown=4, NotChecked=0, Total=1122 [2022-11-03 03:33:07,219 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 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) [2022-11-03 03:33:09,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:09,016 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-03 03:33:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 03:33:09,017 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 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 20 [2022-11-03 03:33:09,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:09,017 INFO L225 Difference]: With dead ends: 29 [2022-11-03 03:33:09,017 INFO L226 Difference]: Without dead ends: 25 [2022-11-03 03:33:09,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=214, Invalid=1422, Unknown=4, NotChecked=0, Total=1640 [2022-11-03 03:33:09,019 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:09,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 81 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 121 Invalid, 0 Unknown, 61 Unchecked, 1.1s Time] [2022-11-03 03:33:09,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-03 03:33:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-03 03:33:09,028 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) [2022-11-03 03:33:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-03 03:33:09,029 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 20 [2022-11-03 03:33:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:09,029 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-03 03:33:09,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 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) [2022-11-03 03:33:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-03 03:33:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 03:33:09,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:09,031 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 1, 1, 1, 1] [2022-11-03 03:33:09,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:33:09,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:09,239 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1456254759, now seen corresponding path program 2 times [2022-11-03 03:33:09,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:09,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870534248] [2022-11-03 03:33:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:09,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:33:15,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:15,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870534248] [2022-11-03 03:33:15,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870534248] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:33:15,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730987891] [2022-11-03 03:33:15,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:33:15,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:15,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:15,191 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fab86ba-08e8-4a00-90f0-6aea1ac87c44/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 03:33:27,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-03 03:33:27,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:33:28,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 187 conjunts are in the unsatisfiable core [2022-11-03 03:33:28,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:28,063 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:33:28,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 03:33:28,147 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 03:33:28,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-03 03:33:28,262 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:33:28,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 03:33:28,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-11-03 03:33:28,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2022-11-03 03:33:28,531 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 03:33:28,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 45 [2022-11-03 03:33:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:28,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2022-11-03 03:33:28,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2022-11-03 03:33:28,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2022-11-03 03:33:28,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:28,952 INFO L356 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2022-11-03 03:33:28,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2022-11-03 03:33:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:29,213 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-03 03:33:29,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 107 [2022-11-03 03:33:29,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:33:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:29,283 INFO L356 Elim1Store]: treesize reduction 39, result has 42.6 percent of original size [2022-11-03 03:33:29,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 140 [2022-11-03 03:33:29,393 INFO L356 Elim1Store]: treesize reduction 123, result has 18.5 percent of original size [2022-11-03 03:33:29,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 191 treesize of output 192 [2022-11-03 03:33:29,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 103 treesize of output 85 [2022-11-03 03:33:29,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 37 [2022-11-03 03:33:29,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 25 [2022-11-03 03:33:29,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-03 03:33:29,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-11-03 03:33:29,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:29,895 INFO L356 Elim1Store]: treesize reduction 115, result has 8.7 percent of original size [2022-11-03 03:33:29,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 28 [2022-11-03 03:33:30,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:30,117 INFO L356 Elim1Store]: treesize reduction 108, result has 9.2 percent of original size [2022-11-03 03:33:30,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 260 treesize of output 219 [2022-11-03 03:33:30,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 213 treesize of output 207 [2022-11-03 03:33:30,309 INFO L356 Elim1Store]: treesize reduction 108, result has 9.2 percent of original size [2022-11-03 03:33:30,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 379 treesize of output 327 [2022-11-03 03:33:30,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 312 [2022-11-03 03:33:30,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2022-11-03 03:33:30,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 69 treesize of output 51 [2022-11-03 03:33:44,943 INFO L356 Elim1Store]: treesize reduction 96, result has 52.2 percent of original size [2022-11-03 03:33:44,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 537 treesize of output 432 [2022-11-03 03:33:45,113 INFO L356 Elim1Store]: treesize reduction 40, result has 66.9 percent of original size [2022-11-03 03:33:45,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 323 treesize of output 381 [2022-11-03 03:33:45,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:34:02,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:34:02,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:34:51,336 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:34:51,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:34:51,588 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:34:51,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:34:54,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:35:07,721 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:07,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:12,047 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:12,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:12,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:35:12,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:35:12,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2022-11-03 03:35:12,867 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:12,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:13,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:35:13,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2022-11-03 03:35:13,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:35:13,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2022-11-03 03:35:13,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:35:13,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2022-11-03 03:35:14,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:35:14,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:35:14,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:35:14,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2022-11-03 03:35:15,699 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:15,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 52 [2022-11-03 03:35:15,824 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:15,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:15,952 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:15,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 187 treesize of output 188 [2022-11-03 03:35:16,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 39 [2022-11-03 03:35:16,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 10 [2022-11-03 03:35:16,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:16,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:16,534 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:16,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:16,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 39 [2022-11-03 03:35:16,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 10 [2022-11-03 03:35:16,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:16,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 39 [2022-11-03 03:35:16,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 10 [2022-11-03 03:35:16,891 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:16,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,000 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 122 [2022-11-03 03:35:17,134 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,241 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,333 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,386 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,427 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:35:17,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 1 [2022-11-03 03:35:17,486 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,591 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,680 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:17,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:17,880 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:17,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 87 [2022-11-03 03:35:17,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:18,017 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,076 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,218 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,248 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,292 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,324 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:35:18,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 1 [2022-11-03 03:35:18,408 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:18,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 90 [2022-11-03 03:35:18,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:18,598 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,683 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,739 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:18,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:18,864 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:18,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 87 [2022-11-03 03:35:19,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:19,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 32 [2022-11-03 03:35:19,132 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:19,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:19,207 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:19,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 182 treesize of output 183 [2022-11-03 03:35:19,655 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:19,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:19,691 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:19,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 122 [2022-11-03 03:35:19,805 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:19,806 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:19,857 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:19,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:19,948 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:19,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 43 [2022-11-03 03:35:20,025 INFO L356 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-03 03:35:20,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 52 [2022-11-03 03:35:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 03:35:24,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:24,949 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:24,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 159 treesize of output 146 [2022-11-03 03:35:24,969 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:35:24,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 129 treesize of output 116 [2022-11-03 03:35:26,036 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse1 (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse0 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse7 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) (.cse20 (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| 0)) (.cse19 (= 0 |c_ULTIMATE.start_dll_create_~head~0#1.base|))) (and (or (and (forall ((v_arrayElimArr_118 (Array Int Int))) (let ((.cse3 (select v_arrayElimArr_118 .cse7))) (or (not (= (select v_arrayElimArr_118 .cse0) 0)) (forall ((v_ArrVal_2863 (Array Int Int))) (or (not (= (select v_ArrVal_2863 .cse1) 0)) (not (= (select v_ArrVal_2863 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (forall ((v_arrayElimArr_119 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2863)) (.cse4 (select v_arrayElimArr_119 .cse7))) (let ((.cse2 (select .cse5 .cse4))) (or (not (= (select v_arrayElimArr_119 .cse0) 0)) (not (= (select .cse2 .cse3) 0)) (not (= .cse4 |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (= (let ((.cse6 (+ 4 .cse3))) (select (select .cse5 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_119) .cse4) .cse6)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_118) .cse4) .cse6))) 0) (not (= (select .cse2 (+ 8 .cse3)) 0)) (not (= (select .cse2 (+ 16 .cse3)) 0)))))) (not (= (select v_ArrVal_2863 .cse8) 0)))) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| .cse3))))) (forall ((v_arrayElimArr_118 (Array Int Int))) (let ((.cse12 (select v_arrayElimArr_118 .cse7))) (or (not (= (select v_arrayElimArr_118 .cse0) 0)) (forall ((v_ArrVal_2863 (Array Int Int))) (or (not (= (select v_ArrVal_2863 .cse1) 0)) (not (= (select v_ArrVal_2863 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (forall ((v_arrayElimArr_119 (Array Int Int))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2863)) (.cse10 (select v_arrayElimArr_119 .cse7))) (let ((.cse13 (select .cse9 .cse10))) (or (not (= (select v_arrayElimArr_119 .cse0) 0)) (= (let ((.cse11 (+ 4 .cse12))) (select (select .cse9 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_119) .cse10) .cse11)) (+ 8 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_118) .cse10) .cse11)))) 0) (not (= (select .cse13 .cse12) 0)) (not (= .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (not (= (select .cse13 (+ 8 .cse12)) 0)) (not (= (select .cse13 (+ 16 .cse12)) 0)))))) (not (= (select v_ArrVal_2863 .cse8) 0)))) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| .cse12))))) (forall ((v_arrayElimArr_118 (Array Int Int))) (let ((.cse17 (select v_arrayElimArr_118 .cse7))) (or (not (= (select v_arrayElimArr_118 .cse0) 0)) (forall ((v_ArrVal_2863 (Array Int Int))) (or (not (= (select v_ArrVal_2863 .cse1) 0)) (forall ((v_arrayElimArr_119 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2863)) (.cse15 (select v_arrayElimArr_119 .cse7))) (let ((.cse18 (select .cse14 .cse15))) (or (not (= (select v_arrayElimArr_119 .cse0) 0)) (= (let ((.cse16 (+ 4 .cse17))) (select (select .cse14 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_119) .cse15) .cse16)) (+ 16 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_118) .cse15) .cse16)))) 0) (not (= (select .cse18 .cse17) 0)) (not (= .cse15 |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (not (= (select .cse18 (+ 8 .cse17)) 0)) (not (= (select .cse18 (+ 16 .cse17)) 0)))))) (not (= (select v_ArrVal_2863 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (not (= (select v_ArrVal_2863 .cse8) 0)))) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| .cse17)))))) (not .cse19) (not .cse20)) (or (let ((.cse30 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (and (forall ((v_arrayElimArr_118 (Array Int Int))) (or (forall ((v_ArrVal_2863 (Array Int Int)) (v_ArrVal_2878 Int)) (let ((.cse24 (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2863))) (store .cse32 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse32 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 v_ArrVal_2878))))) (let ((.cse21 (select .cse24 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) (or (not (= (select .cse21 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (not (= (select .cse21 .cse8) 0)) (not (= (select .cse21 .cse1) 0)) (forall ((v_arrayElimArr_119 (Array Int Int))) (let ((.cse25 (let ((.cse31 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_119))) (store .cse31 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse31 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))))) (let ((.cse28 (let ((.cse29 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_118))) (store .cse29 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse29 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)))) (.cse26 (select (select .cse25 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse7))) (let ((.cse22 (select .cse24 .cse26)) (.cse23 (select (select .cse28 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse7))) (or (not (= (select .cse22 (+ .cse23 8)) 0)) (not (= (select v_arrayElimArr_119 .cse0) 0)) (= (let ((.cse27 (+ .cse23 4))) (select (select .cse24 (select (select .cse25 .cse26) .cse27)) (+ 16 (select (select .cse28 .cse26) .cse27)))) 0) (not (= (select v_arrayElimArr_119 .cse7) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (not (= (select .cse22 .cse23) 0)) (not (= (select .cse22 (+ .cse23 16)) 0))))))))))) (not (= (select v_arrayElimArr_118 .cse0) 0)) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_118 .cse7))))) (forall ((v_arrayElimArr_118 (Array Int Int))) (or (not (= (select v_arrayElimArr_118 .cse0) 0)) (forall ((v_ArrVal_2863 (Array Int Int)) (v_ArrVal_2878 Int)) (let ((.cse36 (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2863))) (store .cse43 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse43 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 v_ArrVal_2878))))) (let ((.cse33 (select .cse36 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) (or (not (= (select .cse33 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (not (= (select .cse33 .cse8) 0)) (not (= (select .cse33 .cse1) 0)) (forall ((v_arrayElimArr_119 (Array Int Int))) (let ((.cse37 (let ((.cse42 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_119))) (store .cse42 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse42 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))))) (let ((.cse40 (let ((.cse41 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_118))) (store .cse41 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse41 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)))) (.cse38 (select (select .cse37 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse7))) (let ((.cse34 (select .cse36 .cse38)) (.cse35 (select (select .cse40 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse7))) (or (not (= (select .cse34 (+ .cse35 8)) 0)) (not (= (select v_arrayElimArr_119 .cse0) 0)) (not (= (select v_arrayElimArr_119 .cse7) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (= 0 (let ((.cse39 (+ .cse35 4))) (select (select .cse36 (select (select .cse37 .cse38) .cse39)) (select (select .cse40 .cse38) .cse39)))) (not (= (select .cse34 .cse35) 0)) (not (= (select .cse34 (+ .cse35 16)) 0))))))))))) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_118 .cse7))))) (forall ((v_arrayElimArr_118 (Array Int Int))) (or (not (= (select v_arrayElimArr_118 .cse0) 0)) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_118 .cse7))) (forall ((v_ArrVal_2863 (Array Int Int)) (v_ArrVal_2878 Int)) (let ((.cse47 (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2863))) (store .cse54 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse54 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 v_ArrVal_2878))))) (let ((.cse44 (select .cse47 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) (or (not (= (select .cse44 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (not (= (select .cse44 .cse8) 0)) (not (= (select .cse44 .cse1) 0)) (forall ((v_arrayElimArr_119 (Array Int Int))) (let ((.cse48 (let ((.cse53 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_119))) (store .cse53 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse53 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))))) (let ((.cse51 (let ((.cse52 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_118))) (store .cse52 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse52 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse30 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)))) (.cse49 (select (select .cse48 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse7))) (let ((.cse45 (select .cse47 .cse49)) (.cse46 (select (select .cse51 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse7))) (or (not (= (select .cse45 (+ .cse46 8)) 0)) (not (= (select v_arrayElimArr_119 .cse0) 0)) (not (= (select v_arrayElimArr_119 .cse7) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (= (let ((.cse50 (+ .cse46 4))) (select (select .cse47 (select (select .cse48 .cse49) .cse50)) (+ (select (select .cse51 .cse49) .cse50) 8))) 0) (not (= (select .cse45 .cse46) 0)) (not (= (select .cse45 (+ .cse46 16)) 0))))))))))))))) (and .cse20 .cse19)))) is different from false [2022-11-03 03:35:42,672 WARN L234 SmtUtils]: Spent 14.60s on a formula simplification that was a NOOP. DAG size: 177 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:35:43,231 INFO L356 Elim1Store]: treesize reduction 36, result has 67.0 percent of original size [2022-11-03 03:35:43,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 171 treesize of output 203 [2022-11-03 03:35:43,403 INFO L356 Elim1Store]: treesize reduction 48, result has 56.0 percent of original size [2022-11-03 03:35:43,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 141 [2022-11-03 03:36:41,598 WARN L234 SmtUtils]: Spent 52.40s on a formula simplification. DAG size of input: 121 DAG size of output: 97 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:36:41,599 INFO L356 Elim1Store]: treesize reduction 666, result has 53.9 percent of original size [2022-11-03 03:36:41,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 16929 treesize of output 17038 [2022-11-03 03:36:45,362 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:36:45,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 18815 treesize of output 18660 [2022-11-03 03:36:55,427 WARN L234 SmtUtils]: Spent 9.76s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:36:55,428 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:36:55,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 19949 treesize of output 19880 [2022-11-03 03:37:11,776 WARN L234 SmtUtils]: Spent 15.92s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:37:11,776 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:37:11,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 21185 treesize of output 21116