./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7 --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 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:22:44,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:22:44,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:22:44,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:22:44,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:22:44,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:22:44,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:22:44,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:22:44,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:22:44,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:22:44,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:22:44,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:22:44,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:22:44,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:22:44,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:22:44,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:22:44,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:22:44,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:22:44,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:22:44,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:22:44,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:22:44,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:22:44,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:22:44,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:22:44,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:22:44,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:22:44,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:22:44,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:22:44,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:22:44,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:22:44,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:22:44,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:22:44,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:22:44,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:22:44,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:22:44,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:22:44,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:22:44,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:22:44,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:22:44,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:22:44,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:22:44,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:22:44,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:22:44,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:22:44,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:22:44,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:22:44,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:22:44,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:22:44,830 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:22:44,830 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:22:44,831 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:22:44,831 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:22:44,832 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:22:44,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:22:44,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:22:44,833 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:22:44,833 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:22:44,833 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:22:44,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:22:44,834 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:22:44,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:22:44,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:22:44,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:22:44,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:22:44,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:22:44,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:22:44,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:22:44,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:22:44,839 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:22:44,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:22:44,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:22:44,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:22:44,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:22:44,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:22:44,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:22:44,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:22:44,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:22:44,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:22:44,842 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:22:44,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:22:44,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:22:44,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:22:44,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:22:44,843 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2021-11-25 19:22:45,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:22:45,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:22:45,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:22:45,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:22:45,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:22:45,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2021-11-25 19:22:45,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/data/b9f2b1cd9/64c68b89782d44f28a6f4b2b673cf049/FLAGf083c251a [2021-11-25 19:22:46,196 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:22:46,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2021-11-25 19:22:46,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/data/b9f2b1cd9/64c68b89782d44f28a6f4b2b673cf049/FLAGf083c251a [2021-11-25 19:22:46,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/data/b9f2b1cd9/64c68b89782d44f28a6f4b2b673cf049 [2021-11-25 19:22:46,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:22:46,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:22:46,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:22:46,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:22:46,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:22:46,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:22:46" (1/1) ... [2021-11-25 19:22:46,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cedfc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:46, skipping insertion in model container [2021-11-25 19:22:46,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:22:46" (1/1) ... [2021-11-25 19:22:46,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:22:46,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:22:46,960 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_c86d3740-3e01-4bff-b162-229d11f14b22/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2021-11-25 19:22:47,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:22:47,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:22:47,150 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_c86d3740-3e01-4bff-b162-229d11f14b22/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2021-11-25 19:22:47,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:22:47,312 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:22:47,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47 WrapperNode [2021-11-25 19:22:47,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:22:47,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:22:47,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:22:47,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:22:47,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,422 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-25 19:22:47,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:22:47,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:22:47,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:22:47,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:22:47,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:22:47,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:22:47,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:22:47,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:22:47,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (1/1) ... [2021-11-25 19:22:47,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:22:47,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:22:47,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:22:47,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:22:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:22:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:22:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:22:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:22:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:22:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:22:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:22:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:22:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:22:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:22:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:22:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:22:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:22:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:22:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:22:48,035 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:22:48,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:22:49,261 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:22:49,760 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:22:49,760 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-25 19:22:49,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:22:49 BoogieIcfgContainer [2021-11-25 19:22:49,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:22:49,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:22:49,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:22:49,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:22:49,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:22:46" (1/3) ... [2021-11-25 19:22:49,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7a976a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:22:49, skipping insertion in model container [2021-11-25 19:22:49,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:47" (2/3) ... [2021-11-25 19:22:49,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7a976a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:22:49, skipping insertion in model container [2021-11-25 19:22:49,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:22:49" (3/3) ... [2021-11-25 19:22:49,775 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2021-11-25 19:22:49,793 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:22:49,793 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:22:49,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:22:49,892 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:22:49,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:22:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 19:22:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:22:49,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:22:49,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:22:49,939 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:22:49,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:22:49,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-25 19:22:49,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:22:49,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783255252] [2021-11-25 19:22:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:22:49,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:22:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:22:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:22:50,180 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:22:50,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783255252] [2021-11-25 19:22:50,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783255252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:22:50,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:22:50,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:22:50,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493230698] [2021-11-25 19:22:50,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:22:50,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:22:50,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:22:50,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:22:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:22:50,236 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:22:52,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:22:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:22:52,120 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-25 19:22:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:22:52,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:22:52,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:22:52,154 INFO L225 Difference]: With dead ends: 237 [2021-11-25 19:22:52,154 INFO L226 Difference]: Without dead ends: 128 [2021-11-25 19:22:52,158 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:22:52,162 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:22:52,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:22:52,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-25 19:22:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-25 19:22:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 19:22:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-25 19:22:52,213 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-25 19:22:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:22:52,213 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-25 19:22:52,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:22:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-25 19:22:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 19:22:52,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:22:52,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:22:52,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:22:52,218 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:22:52,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:22:52,219 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-25 19:22:52,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:22:52,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737662415] [2021-11-25 19:22:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:22:52,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:22:52,350 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:22:52,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246059008] [2021-11-25 19:22:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:22:52,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:22:52,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:22:52,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:22:52,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:22:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:22:53,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:22:53,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:22:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:22:53,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:22:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:22:53,314 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:22:53,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737662415] [2021-11-25 19:22:53,319 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:22:53,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246059008] [2021-11-25 19:22:53,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246059008] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:22:53,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1830453419] [2021-11-25 19:22:53,357 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-25 19:22:53,362 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:22:53,369 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:22:53,376 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:22:53,377 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:22:53,529 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:22:53,531 INFO L388 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 [2021-11-25 19:22:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:53,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:22:53,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:53,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:22:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:53,600 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 19:22:53,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 19:22:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:53,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:22:53,727 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:22:53,728 INFO L388 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 [2021-11-25 19:22:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:22:54,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,282 INFO L388 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 55 treesize of output 66 [2021-11-25 19:22:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,329 INFO L388 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 29 treesize of output 19 [2021-11-25 19:22:54,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,362 INFO L388 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 29 treesize of output 19 [2021-11-25 19:22:54,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,701 INFO L388 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 29 treesize of output 19 [2021-11-25 19:22:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:22:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,763 INFO L388 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 55 treesize of output 66 [2021-11-25 19:22:54,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:54,794 INFO L388 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 29 treesize of output 19 [2021-11-25 19:22:54,816 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:22:55,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1830453419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:22:55,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:22:55,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 19:22:55,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461761257] [2021-11-25 19:22:55,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:22:55,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 19:22:55,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:22:55,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 19:22:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:22:55,883 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:22:58,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:22:58,339 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-25 19:22:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:22:58,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 19:22:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:22:58,348 INFO L225 Difference]: With dead ends: 173 [2021-11-25 19:22:58,349 INFO L226 Difference]: Without dead ends: 94 [2021-11-25 19:22:58,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:22:58,351 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:22:58,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:22:58,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-25 19:22:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-25 19:22:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 19:22:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-25 19:22:58,370 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-25 19:22:58,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:22:58,371 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-25 19:22:58,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:22:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-25 19:22:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:22:58,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:22:58,374 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:22:58,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:22:58,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:22:58,589 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:22:58,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:22:58,590 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-25 19:22:58,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:22:58,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392292235] [2021-11-25 19:22:58,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:22:58,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:22:58,711 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:22:58,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931657109] [2021-11-25 19:22:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:22:58,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:22:58,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:22:58,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:22:58,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:22:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:22:59,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:22:59,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:22:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:22:59,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:22:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:22:59,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:22:59,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392292235] [2021-11-25 19:22:59,401 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:22:59,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931657109] [2021-11-25 19:22:59,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931657109] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:22:59,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1869269080] [2021-11-25 19:22:59,414 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 19:22:59,414 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:22:59,415 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:22:59,415 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:22:59,417 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:22:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:22:59,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:22:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:22:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,547 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 19:22:59,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 19:22:59,584 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:22:59,584 INFO L388 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 [2021-11-25 19:22:59,645 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:22:59,646 INFO L388 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 [2021-11-25 19:22:59,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:22:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:22:59,974 INFO L388 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 55 treesize of output 66 [2021-11-25 19:23:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,041 INFO L388 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 29 treesize of output 19 [2021-11-25 19:23:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,067 INFO L388 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 29 treesize of output 19 [2021-11-25 19:23:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:23:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:23:00,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:23:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:23:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:00,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:23:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,325 INFO L388 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 28 treesize of output 36 [2021-11-25 19:23:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:00,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 treesize of output 47 [2021-11-25 19:23:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,065 INFO L388 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 29 treesize of output 19 [2021-11-25 19:23:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,089 INFO L388 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 29 treesize of output 19 [2021-11-25 19:23:01,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:23:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,145 INFO L388 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 55 treesize of output 66 [2021-11-25 19:23:01,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:01,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:23:01,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:23:01,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:23:01,474 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:23:01,475 INFO L388 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 44 treesize of output 77 [2021-11-25 19:23:01,494 INFO L388 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 28 treesize of output 36 [2021-11-25 19:23:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:01,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:23:01,612 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-25 19:23:01,699 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:23:03,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1869269080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:23:03,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:23:03,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 19:23:03,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712557399] [2021-11-25 19:23:03,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:23:03,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:23:03,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:23:03,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:23:03,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:23:03,710 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:23:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:23:05,854 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-25 19:23:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:23:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-25 19:23:05,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:23:05,865 INFO L225 Difference]: With dead ends: 175 [2021-11-25 19:23:05,865 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 19:23:05,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:23:05,867 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:23:05,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 2.1s Time] [2021-11-25 19:23:05,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 19:23:05,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 19:23:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 19:23:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-25 19:23:05,885 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-25 19:23:05,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:23:05,885 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-25 19:23:05,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:23:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 19:23:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:23:05,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:23:05,888 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:23:05,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 19:23:06,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:23:06,101 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:23:06,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:23:06,101 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-25 19:23:06,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:23:06,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197485445] [2021-11-25 19:23:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:23:06,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:23:06,142 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:23:06,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261445300] [2021-11-25 19:23:06,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:23:06,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:23:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:23:06,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:23:06,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d3740-3e01-4bff-b162-229d11f14b22/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:23:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:23:06,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:23:06,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:23:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:23:06,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:23:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:23:06,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:23:06,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197485445] [2021-11-25 19:23:06,815 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:23:06,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261445300] [2021-11-25 19:23:06,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261445300] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:23:06,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1541116023] [2021-11-25 19:23:06,819 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 19:23:06,819 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:23:06,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:23:06,820 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:23:06,820 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:23:06,888 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:23:06,889 INFO L388 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 [2021-11-25 19:23:06,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:06,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:23:06,942 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:23:06,943 INFO L388 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 [2021-11-25 19:23:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:06,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:06,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 19:23:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:06,972 INFO L388 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 [2021-11-25 19:23:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,189 INFO L388 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 29 treesize of output 19 [2021-11-25 19:23:07,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:23:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,235 INFO L388 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 55 treesize of output 66 [2021-11-25 19:23:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,258 INFO L388 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 29 treesize of output 19 [2021-11-25 19:23:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:23:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:23:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:23:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:23:07,505 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:23:07,506 INFO L388 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 44 treesize of output 77 [2021-11-25 19:23:07,526 INFO L388 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 28 treesize of output 36 [2021-11-25 19:23:07,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:23:07,637 INFO L388 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 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:23:07,641 INFO L388 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:23:07,647 INFO L388 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:23:07,698 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:23:07,698 INFO L388 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 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 19:23:07,731 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:23:07,732 INFO L388 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 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 19:23:07,756 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:23:07,757 INFO L388 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 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:23:07,802 INFO L388 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 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:23:07,806 INFO L388 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 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:23:07,812 INFO L388 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 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:23:07,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:23:07,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 19:23:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:07,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:23:08,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:23:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 19:23:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:08,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:23:15,657 WARN L227 SmtUtils]: Spent 7.38s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:23:15,658 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:23:15,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:23:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:26,543 WARN L227 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:23:26,544 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:23:26,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:23:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:27,330 INFO L244 Elim1Store]: Index analysis took 536 ms [2021-11-25 19:23:39,346 WARN L227 SmtUtils]: Spent 11.70s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:23:39,348 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:23:39,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:23:41,058 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:23:41,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-25 19:23:41,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 19:23:41,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:41,892 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:23:41,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 19:23:41,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:42,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:23:42,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 53 treesize of output 63 [2021-11-25 19:23:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:42,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:23:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:42,781 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:23:42,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 36 treesize of output 20 [2021-11-25 19:23:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:42,876 INFO L388 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 25 treesize of output 15 [2021-11-25 19:23:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:42,999 INFO L388 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 25 treesize of output 15 [2021-11-25 19:23:43,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:43,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:43,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:43,360 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:23:43,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 26 [2021-11-25 19:23:43,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:43,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:43,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 19:23:43,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:43,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:23:43,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:43,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,512 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-25 19:23:45,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 19:23:45,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:45,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:45,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:45,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 19:23:46,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:46,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:46,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:46,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:46,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,528 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-25 19:23:46,626 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 19:23:46,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2388 [2021-11-25 19:23:46,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:46,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:46,964 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-25 19:23:47,221 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 19:23:47,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2310 [2021-11-25 19:23:47,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:47,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:47,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,809 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-25 19:23:47,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 19:23:47,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:47,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:47,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,086 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-25 19:23:48,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 19:23:48,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:48,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:48,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,578 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 19:23:48,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:23:48,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 19:23:48,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:48,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:48,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:49,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:23:49,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 19:23:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:49,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:49,384 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-25 19:23:50,764 INFO L354 Elim1Store]: treesize reduction 903, result has 50.5 percent of original size [2021-11-25 19:23:50,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 3170 [2021-11-25 19:23:51,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:51,262 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-25 19:23:52,959 INFO L354 Elim1Store]: treesize reduction 913, result has 51.3 percent of original size [2021-11-25 19:23:52,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3304 [2021-11-25 19:23:53,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:53,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:55,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:55,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:55,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,046 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:23:56,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2792 treesize of output 2560 [2021-11-25 19:23:56,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:56,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:23:56,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2466 [2021-11-25 19:23:56,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2715 treesize of output 2339 [2021-11-25 19:23:56,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:56,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:56,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2615 treesize of output 2245 [2021-11-25 19:23:57,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,357 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,410 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:57,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:57,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2683 treesize of output 2245 [2021-11-25 19:23:57,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:57,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:57,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2783 treesize of output 2339 [2021-11-25 19:23:58,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,444 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:58,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:23:58,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:58,902 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-25 19:23:59,265 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 19:23:59,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 19:23:59,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:59,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:23:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:59,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:23:59,893 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 19:23:59,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 19:24:00,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:24:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:00,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:24:00,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:00,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2715 treesize of output 2339 [2021-11-25 19:24:00,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:24:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:00,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2615 treesize of output 2245 [2021-11-25 19:24:00,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:00,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:24:02,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:02,454 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-25 19:24:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:02,863 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-25 19:24:02,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4047 treesize of output 3585 [2021-11-25 19:24:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:03,252 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-25 19:24:03,603 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:24:03,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 19:24:05,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:05,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:24:05,241 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-11-25 19:24:11,464 WARN L227 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 152 DAG size of output: 122 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:24:11,465 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:24:11,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 93131 treesize of output 94087 [2021-11-25 19:32:54,079 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 2070 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 19:33:12,202 WARN L227 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 1345 DAG size of output: 1345 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)