./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur --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 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 --- 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-38b53e6 [2022-11-26 00:24:03,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:24:03,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:24:03,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:24:03,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:24:03,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:24:03,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:24:03,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:24:03,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:24:03,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:24:03,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:24:03,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:24:03,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:24:03,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:24:03,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:24:03,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:24:03,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:24:03,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:24:03,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:24:03,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:24:03,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:24:03,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:24:03,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:24:03,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:24:03,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:24:03,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:24:03,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:24:03,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:24:03,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:24:03,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:24:03,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:24:03,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:24:03,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:24:03,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:24:03,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:24:03,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:24:03,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:24:03,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:24:03,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:24:03,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:24:03,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:24:03,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:24:03,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:24:03,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:24:03,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:24:03,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:24:03,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:24:03,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:24:03,975 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:24:03,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:24:03,976 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:24:03,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:24:03,977 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:24:03,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:24:03,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:24:03,978 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:24:03,978 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:24:03,979 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:24:03,979 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:24:03,979 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:24:03,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:24:03,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:24:03,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:24:03,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:24:03,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:24:03,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:24:03,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:24:03,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:24:03,983 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:24:03,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:24:03,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:24:03,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:24:03,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:24:03,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:24:03,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:03,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:24:03,985 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:24:03,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:24:03,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:24:03,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:24:03,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:24:03,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:24:03,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:24:03,987 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_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 [2022-11-26 00:24:04,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:24:04,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:24:04,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:24:04,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:24:04,270 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:24:04,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2022-11-26 00:24:07,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:24:07,615 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:24:07,621 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2022-11-26 00:24:07,640 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/data/bd28aed11/02ba597230b041f2a800246448cb8598/FLAG9d84d1687 [2022-11-26 00:24:07,656 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/data/bd28aed11/02ba597230b041f2a800246448cb8598 [2022-11-26 00:24:07,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:24:07,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:24:07,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:07,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:24:07,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:24:07,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542abd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07, skipping insertion in model container [2022-11-26 00:24:07,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:24:07,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:24:08,181 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_000604b8-f28b-48dd-a368-7c36c1360e3a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2022-11-26 00:24:08,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:08,382 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:24:08,410 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_000604b8-f28b-48dd-a368-7c36c1360e3a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2022-11-26 00:24:08,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:08,530 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:24:08,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08 WrapperNode [2022-11-26 00:24:08,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:08,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:08,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:24:08,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:24:08,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,667 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-11-26 00:24:08,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:08,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:24:08,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:24:08,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:24:08,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:24:08,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:24:08,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:24:08,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:24:08,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (1/1) ... [2022-11-26 00:24:08,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:08,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:08,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:24:08,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:24:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:24:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:24:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:24:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:24:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:24:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:24:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:24:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:24:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:24:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:24:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:24:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:24:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:24:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:24:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:24:09,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:24:09,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:24:11,375 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:24:11,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:24:11,927 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-26 00:24:11,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:11 BoogieIcfgContainer [2022-11-26 00:24:11,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:24:11,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:24:11,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:24:11,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:24:11,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:24:07" (1/3) ... [2022-11-26 00:24:11,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48433abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:24:11, skipping insertion in model container [2022-11-26 00:24:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:08" (2/3) ... [2022-11-26 00:24:11,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48433abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:24:11, skipping insertion in model container [2022-11-26 00:24:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:11" (3/3) ... [2022-11-26 00:24:11,938 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-1.i [2022-11-26 00:24:11,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:24:11,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:24:12,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:24:12,017 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;@7c96abc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:24:12,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:24:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2022-11-26 00:24:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:24:12,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:12,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:12,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:24:12,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:12,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-11-26 00:24:12,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:12,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010666955] [2022-11-26 00:24:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:12,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:12,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:12,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010666955] [2022-11-26 00:24:12,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010666955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:12,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:12,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:24:12,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748469422] [2022-11-26 00:24:12,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:12,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:12,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:12,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:12,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:12,280 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2022-11-26 00:24:14,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:24:17,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:24:19,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:24:19,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:19,081 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-11-26 00:24:19,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:19,091 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 [2022-11-26 00:24:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:19,102 INFO L225 Difference]: With dead ends: 347 [2022-11-26 00:24:19,103 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:24:19,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:19,110 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:19,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-26 00:24:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:24:19,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:24:19,166 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) [2022-11-26 00:24:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:24:19,170 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:24:19,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:19,171 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:24:19,171 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) [2022-11-26 00:24:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:24:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:24:19,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:19,175 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] [2022-11-26 00:24:19,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:24:19,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:24:19,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:19,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-11-26 00:24:19,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:19,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817138477] [2022-11-26 00:24:19,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:19,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:19,559 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:24:19,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351902456] [2022-11-26 00:24:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:19,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:19,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:19,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:24:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:20,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:24:20,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:21,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:21,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:21,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:21,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817138477] [2022-11-26 00:24:21,140 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:24:21,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351902456] [2022-11-26 00:24:21,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351902456] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:21,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [182759784] [2022-11-26 00:24:21,169 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:24:21,176 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:21,180 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:21,187 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:21,193 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:21,373 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 [2022-11-26 00:24:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:21,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:21,401 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:24:21,402 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 [2022-11-26 00:24:21,453 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:24:21,454 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 [2022-11-26 00:24:21,470 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 [2022-11-26 00:24:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:21,490 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 [2022-11-26 00:24:21,978 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 [2022-11-26 00:24:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,039 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 [2022-11-26 00:24:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,107 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 [2022-11-26 00:24:22,154 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 [2022-11-26 00:24:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,211 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:24:22,211 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 [2022-11-26 00:24:22,253 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:24:22,254 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 [2022-11-26 00:24:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,283 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 [2022-11-26 00:24:22,335 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:24:22,335 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 [2022-11-26 00:24:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,358 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 [2022-11-26 00:24:22,795 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 [2022-11-26 00:24:22,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,845 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 [2022-11-26 00:24:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:22,902 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 [2022-11-26 00:24:22,943 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 [2022-11-26 00:24:22,978 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:38,204 WARN L233 SmtUtils]: Spent 5.26s 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) [2022-11-26 00:24:38,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [182759784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:38,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:24:38,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:24:38,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67076714] [2022-11-26 00:24:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:38,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:24:38,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:24:38,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:24:38,214 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) [2022-11-26 00:24:41,622 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] [2022-11-26 00:24:43,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:24:45,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:24:49,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:24:51,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:24:52,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:24:53,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:53,681 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:24:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:24:53,682 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 [2022-11-26 00:24:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:53,683 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:24:53,683 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:24:53,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:24:53,685 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:53,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 466 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-26 00:24:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:24:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:24:53,706 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) [2022-11-26 00:24:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:24:53,708 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:24:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:53,709 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:24:53,709 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) [2022-11-26 00:24:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:24:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:24:53,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:53,711 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] [2022-11-26 00:24:53,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:53,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:53,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:24:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:53,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-11-26 00:24:53,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:53,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614181032] [2022-11-26 00:24:53,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:53,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:54,091 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:24:54,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600181146] [2022-11-26 00:24:54,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:54,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:54,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:54,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:24:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:55,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:24:55,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:24:55,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:24:55,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:55,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614181032] [2022-11-26 00:24:55,490 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:24:55,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600181146] [2022-11-26 00:24:55,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600181146] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:55,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [703282930] [2022-11-26 00:24:55,494 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:24:55,495 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:55,495 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:55,495 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:55,496 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,589 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 [2022-11-26 00:24:55,631 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:24:55,632 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 [2022-11-26 00:24:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,650 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 [2022-11-26 00:24:55,657 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 [2022-11-26 00:24:55,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:55,670 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 [2022-11-26 00:24:55,978 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 [2022-11-26 00:24:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:55,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,022 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 [2022-11-26 00:24:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,064 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 [2022-11-26 00:24:56,100 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 [2022-11-26 00:24:56,129 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 [2022-11-26 00:24:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,188 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 [2022-11-26 00:24:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,275 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 [2022-11-26 00:24:56,305 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 [2022-11-26 00:24:56,348 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 [2022-11-26 00:24:56,421 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:24:56,421 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 [2022-11-26 00:24:56,438 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 [2022-11-26 00:24:56,464 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 [2022-11-26 00:24:56,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,510 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 [2022-11-26 00:24:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,835 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 [2022-11-26 00:24:56,876 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:24:56,877 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 [2022-11-26 00:24:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,895 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 [2022-11-26 00:24:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:56,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:56,905 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 [2022-11-26 00:24:56,918 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 [2022-11-26 00:24:57,418 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 [2022-11-26 00:24:57,433 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 [2022-11-26 00:24:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,478 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 [2022-11-26 00:24:57,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,531 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 [2022-11-26 00:24:57,606 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 [2022-11-26 00:24:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,659 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 [2022-11-26 00:24:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,707 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 [2022-11-26 00:24:57,736 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 [2022-11-26 00:24:57,790 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 [2022-11-26 00:24:57,860 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:24:57,861 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 [2022-11-26 00:24:57,876 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 [2022-11-26 00:24:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:57,932 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 [2022-11-26 00:24:57,969 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 [2022-11-26 00:24:58,338 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:24:58,440 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:04,960 WARN L233 SmtUtils]: Spent 5.24s 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) [2022-11-26 00:25:13,695 WARN L233 SmtUtils]: Spent 6.63s 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) [2022-11-26 00:25:24,319 WARN L233 SmtUtils]: Spent 6.49s 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) [2022-11-26 00:25:37,354 WARN L233 SmtUtils]: Spent 6.86s 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) [2022-11-26 00:25:50,751 WARN L233 SmtUtils]: Spent 7.22s 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) [2022-11-26 00:25:53,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [703282930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:53,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:25:53,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:25:53,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433156916] [2022-11-26 00:25:53,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:53,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:25:53,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:53,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:25:53,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:25:53,244 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) [2022-11-26 00:25:55,728 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] [2022-11-26 00:25:57,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:00,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:02,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:04,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:06,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:08,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:10,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:12,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:18,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:26:21,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:26:23,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:26:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:24,094 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:26:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:26:24,095 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 [2022-11-26 00:26:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:24,098 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:26:24,098 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:26:24,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 54.8s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:26:24,100 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:24,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 390 Invalid, 10 Unknown, 0 Unchecked, 30.8s Time] [2022-11-26 00:26:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:26:24,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:26:24,128 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) [2022-11-26 00:26:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:26:24,130 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:26:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:24,130 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:26:24,130 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) [2022-11-26 00:26:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:26:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:26:24,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:24,133 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] [2022-11-26 00:26:24,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:26:24,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:26:24,339 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:26:24,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:24,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-11-26 00:26:24,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:24,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041426147] [2022-11-26 00:26:24,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:24,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:24,493 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:26:24,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880305059] [2022-11-26 00:26:24,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:24,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:26:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:26:24,495 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:26:24,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000604b8-f28b-48dd-a368-7c36c1360e3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:26:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:25,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:26:25,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:26:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:26:25,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:26:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:26:26,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:26,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041426147] [2022-11-26 00:26:26,013 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:26:26,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880305059] [2022-11-26 00:26:26,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880305059] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:26:26,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1355219186] [2022-11-26 00:26:26,017 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:26:26,017 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:26:26,018 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:26:26,018 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:26:26,018 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:26:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:26:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,120 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:26:26,121 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 [2022-11-26 00:26:26,161 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:26:26,161 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 [2022-11-26 00:26:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,177 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 [2022-11-26 00:26:26,184 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 [2022-11-26 00:26:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,201 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 [2022-11-26 00:26:26,492 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 [2022-11-26 00:26:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,536 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 [2022-11-26 00:26:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,576 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 [2022-11-26 00:26:26,606 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 [2022-11-26 00:26:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,672 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 [2022-11-26 00:26:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,715 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 [2022-11-26 00:26:26,738 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 [2022-11-26 00:26:26,786 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 [2022-11-26 00:26:26,824 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 [2022-11-26 00:26:26,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:26,859 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 [2022-11-26 00:26:26,894 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 [2022-11-26 00:26:26,961 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:26:26,962 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 [2022-11-26 00:26:27,040 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:26:27,040 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 [2022-11-26 00:26:27,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:26:27,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:26:27,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:26:27,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:26:27,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:26:27,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:26:27,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:26:27,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:26:27,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:26:27,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,331 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 [2022-11-26 00:26:27,357 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 [2022-11-26 00:26:27,375 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 [2022-11-26 00:26:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:27,560 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 [2022-11-26 00:26:27,576 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 [2022-11-26 00:26:27,592 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 [2022-11-26 00:26:29,077 INFO L217 Elim1Store]: Index analysis took 1023 ms [2022-11-26 00:26:31,957 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:26:31,958 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 [2022-11-26 00:26:32,936 INFO L217 Elim1Store]: Index analysis took 746 ms [2022-11-26 00:26:36,742 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:26:36,743 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 [2022-11-26 00:26:53,153 WARN L233 SmtUtils]: Spent 16.32s 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) [2022-11-26 00:26:53,153 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:26:53,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 00:26:53,340 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-26 00:27:16,508 WARN L233 SmtUtils]: Spent 23.17s 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) [2022-11-26 00:27:16,509 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:27:16,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-26 00:27:17,312 INFO L217 Elim1Store]: Index analysis took 504 ms [2022-11-26 00:27:35,261 WARN L233 SmtUtils]: Spent 17.50s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:27:35,262 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:27:35,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:27:37,116 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:27:37,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:27:37,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:27:37,727 INFO L217 Elim1Store]: Index analysis took 289 ms [2022-11-26 00:27:38,817 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:27:38,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:27:44,317 INFO L217 Elim1Store]: Index analysis took 956 ms