./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:11:46,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:11:46,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:11:46,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:11:46,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:11:46,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:11:46,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:11:46,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:11:46,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:11:46,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:11:46,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:11:46,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:11:46,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:11:46,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:11:46,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:11:46,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:11:46,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:11:46,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:11:46,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:11:46,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:11:46,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:11:46,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:11:46,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:11:46,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:11:46,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:11:46,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:11:46,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:11:46,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:11:46,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:11:46,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:11:46,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:11:46,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:11:46,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:11:46,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:11:46,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:11:46,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:11:46,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:11:46,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:11:46,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:11:46,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:11:46,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:11:46,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 15:11:46,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:11:46,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:11:46,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:11:46,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:11:46,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:11:46,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:11:46,884 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:11:46,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:11:46,884 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:11:46,884 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:11:46,884 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:11:46,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:11:46,885 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:11:46,885 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:11:46,885 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:11:46,885 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:11:46,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:11:46,885 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:11:46,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:11:46,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:11:46,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:11:46,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:11:46,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:11:46,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:11:46,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:11:46,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:11:46,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:11:46,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:11:46,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b [2022-12-14 15:11:47,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:11:47,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:11:47,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:11:47,071 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:11:47,071 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:11:47,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2022-12-14 15:11:49,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:11:49,875 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:11:49,875 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2022-12-14 15:11:49,886 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/data/6234ee818/e35f10905ff844afa8288d238b6d67c7/FLAGa6c0be25b [2022-12-14 15:11:49,900 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/data/6234ee818/e35f10905ff844afa8288d238b6d67c7 [2022-12-14 15:11:49,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:11:49,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:11:49,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:11:49,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:11:49,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:11:49,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:49" (1/1) ... [2022-12-14 15:11:49,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8a97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:49, skipping insertion in model container [2022-12-14 15:11:49,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:49" (1/1) ... [2022-12-14 15:11:49,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:11:49,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:11:50,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2022-12-14 15:11:50,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:11:50,444 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:11:50,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2022-12-14 15:11:50,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:11:50,563 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:11:50,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50 WrapperNode [2022-12-14 15:11:50,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:11:50,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:11:50,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:11:50,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:11:50,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,655 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-12-14 15:11:50,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:11:50,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:11:50,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:11:50,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:11:50,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:11:50,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:11:50,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:11:50,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:11:50,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (1/1) ... [2022-12-14 15:11:50,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:11:50,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:11:50,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:11:50,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:11:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:11:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:11:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:11:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:11:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:11:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:11:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:11:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:11:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:11:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:11:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:11:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:11:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:11:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:11:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:11:51,049 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:11:51,051 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:11:52,236 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:11:52,655 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:11:52,655 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-12-14 15:11:52,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:52 BoogieIcfgContainer [2022-12-14 15:11:52,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:11:52,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:11:52,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:11:52,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:11:52,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:11:49" (1/3) ... [2022-12-14 15:11:52,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e91d4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:52, skipping insertion in model container [2022-12-14 15:11:52,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:50" (2/3) ... [2022-12-14 15:11:52,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e91d4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:52, skipping insertion in model container [2022-12-14 15:11:52,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:52" (3/3) ... [2022-12-14 15:11:52,666 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-3.i [2022-12-14 15:11:52,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:11:52,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:11:52,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:11:52,739 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3de0860c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:11:52,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:11:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:11:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:11:52,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:11:52,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:11:52,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:11:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:11:52,758 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-12-14 15:11:52,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:11:52,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15773724] [2022-12-14 15:11:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:11:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:11:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:11:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:11:52,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:11:52,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15773724] [2022-12-14 15:11:52,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15773724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:11:52,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:11:52,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:11:52,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741847466] [2022-12-14 15:11:52,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:11:52,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:11:52,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:11:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:11:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:11:52,976 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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) [2022-12-14 15:11:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:11:55,060 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-12-14 15:11:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:11:55,068 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 [2022-12-14 15:11:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:11:55,078 INFO L225 Difference]: With dead ends: 399 [2022-12-14 15:11:55,078 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 15:11:55,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:11:55,084 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:11:55,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 15:11:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 15:11:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 15:11:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:11:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 15:11:55,123 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 15:11:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:11:55,123 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 15:11:55,123 INFO L496 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) [2022-12-14 15:11:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 15:11:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 15:11:55,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:11:55,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:11:55,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:11:55,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:11:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:11:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-12-14 15:11:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:11:55,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019770372] [2022-12-14 15:11:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:11:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:11:55,323 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:11:55,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463985520] [2022-12-14 15:11:55,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:11:55,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:11:55,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:11:55,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:11:55,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:11:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:11:56,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:11:56,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:11:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:11:56,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:11:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:11:56,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:11:56,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019770372] [2022-12-14 15:11:56,326 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:11:56,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463985520] [2022-12-14 15:11:56,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463985520] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:11:56,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1233584566] [2022-12-14 15:11:56,347 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 15:11:56,347 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:11:56,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:11:56,356 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:11:56,356 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:11:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:11:56,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,476 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:11:56,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 15:11:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:11:56,519 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:11:56,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:11:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:11:56,557 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:11:56,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:11:56,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:11:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:11:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 15:11:56,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:11:56,975 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:11:56,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:11:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:11:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:56,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:11:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,008 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:11:57,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 15:11:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:11:57,057 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:11:57,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:11:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:11:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:11:57,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:11:57,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:11:57,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:11:57,545 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:12:11,992 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:12:11,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1233584566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:12:11,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 15:12:11,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 15:12:11,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930818763] [2022-12-14 15:12:11,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:12:11,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 15:12:11,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:12:11,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 15:12:11,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 15:12:11,997 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-12-14 15:12:15,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:12:17,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:12:19,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:12:23,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:12:26,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:12:26,425 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 15:12:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:12:26,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-12-14 15:12:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:12:26,428 INFO L225 Difference]: With dead ends: 265 [2022-12-14 15:12:26,428 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 15:12:26,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 15:12:26,429 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:12:26,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2022-12-14 15:12:26,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 15:12:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 15:12:26,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:12:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 15:12:26,447 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 15:12:26,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:12:26,447 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 15:12:26,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-12-14 15:12:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 15:12:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 15:12:26,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:12:26,449 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:12:26,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:12:26,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:12:26,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:12:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:12:26,653 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-12-14 15:12:26,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:12:26,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294078599] [2022-12-14 15:12:26,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:26,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:12:26,786 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:12:26,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187209280] [2022-12-14 15:12:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:26,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:12:26,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:12:26,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:12:26,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:12:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:12:27,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:12:27,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:12:27,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:12:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:12:27,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:12:27,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294078599] [2022-12-14 15:12:27,602 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:12:27,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187209280] [2022-12-14 15:12:27,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187209280] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:12:27,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [738960908] [2022-12-14 15:12:27,606 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 15:12:27,606 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:12:27,606 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:12:27,607 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:12:27,607 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:12:27,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:12:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,676 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:12:27,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 15:12:27,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:12:27,733 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:12:27,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:12:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:12:27,781 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:12:27,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:12:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:12:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:12:28,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:12:28,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:12:28,100 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:12:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:12:28,203 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:28,237 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:12:28,299 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:28,356 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:12:28,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:12:28,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 15:12:28,611 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:12:28,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:12:28,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:12:28,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:12:28,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:12:28,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:12:28,646 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:12:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:28,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 15:12:28,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:12:28,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:12:29,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:12:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:12:29,107 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:29,119 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:29,150 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:12:29,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:12:29,203 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:12:29,262 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:12:29,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:12:29,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 15:12:29,525 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 15:12:29,589 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:12:36,769 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:12:44,037 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:12:53,354 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:13:06,151 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:13:18,177 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:13:18,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [738960908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:18,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 15:13:18,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 15:13:18,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162426762] [2022-12-14 15:13:18,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:18,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 15:13:18,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:18,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 15:13:18,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 15:13:18,669 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2022-12-14 15:13:20,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:23,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:25,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:27,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:29,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:31,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:33,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:35,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:37,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:39,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:13:44,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:13:47,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:13:52,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:13:53,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:13:53,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:53,732 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 15:13:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 15:13:53,733 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 65 [2022-12-14 15:13:53,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:53,734 INFO L225 Difference]: With dead ends: 267 [2022-12-14 15:13:53,734 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 15:13:53,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 49.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 15:13:53,736 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:53,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 434 Invalid, 9 Unknown, 0 Unchecked, 35.0s Time] [2022-12-14 15:13:53,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 15:13:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 15:13:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 15:13:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 15:13:53,761 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 15:13:53,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:53,761 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 15:13:53,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2022-12-14 15:13:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 15:13:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 15:13:53,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:53,763 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:13:53,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 15:13:53,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 15:13:53,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:53,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-12-14 15:13:53,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:53,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575271898] [2022-12-14 15:13:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:54,103 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:13:54,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133961968] [2022-12-14 15:13:54,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:54,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:54,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:54,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:54,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96639b8e-273c-4b3d-b9f5-9c6ac5646691/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:13:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:54,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:13:54,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 15:13:54,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:13:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 15:13:55,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:55,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575271898] [2022-12-14 15:13:55,029 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:13:55,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133961968] [2022-12-14 15:13:55,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133961968] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:13:55,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1487921301] [2022-12-14 15:13:55,033 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 15:13:55,033 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:13:55,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:13:55,034 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:13:55,034 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:13:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:13:55,112 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:13:55,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:13:55,160 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:13:55,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:13:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:13:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:13:55,180 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:55,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:13:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:13:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:13:55,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:13:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:13:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:13:55,537 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:55,546 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:55,576 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:55,619 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 15:13:55,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 15:13:55,674 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:13:55,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:13:55,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:55,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:13:55,738 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:55,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:13:55,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:13:55,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:13:55,875 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 15:13:55,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-12-14 15:13:55,901 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:13:55,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-12-14 15:13:55,925 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:13:55,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 15:13:55,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:13:55,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:13:55,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 15:13:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 15:13:56,046 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:56,061 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:13:56,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 15:13:56,193 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:56,207 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:13:57,775 INFO L217 Elim1Store]: Index analysis took 1348 ms [2022-12-14 15:13:59,688 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 15:13:59,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 15:14:00,449 INFO L217 Elim1Store]: Index analysis took 655 ms [2022-12-14 15:14:03,975 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 15:14:03,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 15:14:10,288 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:14:10,288 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 15:14:10,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 15:14:33,297 WARN L233 SmtUtils]: Spent 22.91s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:14:33,297 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 15:14:33,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 15:14:34,050 INFO L217 Elim1Store]: Index analysis took 624 ms [2022-12-14 15:14:53,791 WARN L233 SmtUtils]: Spent 19.27s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:14:53,792 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-12-14 15:14:53,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-12-14 15:14:54,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:14:54,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:14:54,626 INFO L217 Elim1Store]: Index analysis took 323 ms [2022-12-14 15:14:54,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-12-14 15:14:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:54,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 15:14:54,800 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:14:55,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:14:55,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-12-14 15:14:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:55,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-12-14 15:14:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:56,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:17:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:17:49,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:21:25,178 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 4121 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 15:23:38,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 15:23:38,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 15:23:38,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:23:38,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 15:26:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:26:18,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 15:26:18,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15