./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.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_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/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_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/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_f0947c80-7a29-4fb8-8a5f-f146460907fb/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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- 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 [2022-11-25 23:59:16,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:59:16,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:59:16,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:59:16,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:59:16,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:59:16,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:59:16,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:59:16,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:59:16,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:59:16,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:59:17,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:59:17,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:59:17,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:59:17,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:59:17,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:59:17,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:59:17,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:59:17,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:59:17,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:59:17,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:59:17,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:59:17,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:59:17,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:59:17,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:59:17,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:59:17,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:59:17,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:59:17,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:59:17,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:59:17,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:59:17,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:59:17,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:59:17,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:59:17,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:59:17,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:59:17,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:59:17,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:59:17,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:59:17,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:59:17,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:59:17,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:59:17,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:59:17,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:59:17,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:59:17,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:59:17,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:59:17,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:59:17,078 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:59:17,079 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:59:17,079 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:59:17,079 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:59:17,080 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:59:17,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:59:17,081 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:59:17,081 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:59:17,082 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:59:17,082 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:59:17,082 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:59:17,082 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:59:17,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:59:17,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:59:17,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:59:17,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:59:17,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:59:17,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:59:17,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:59:17,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:59:17,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:59:17,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:59:17,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:59:17,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:59:17,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:59:17,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:59:17,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:59:17,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:59:17,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:59:17,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:59:17,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:59:17,089 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:59:17,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:59:17,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:59:17,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:59:17,090 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_f0947c80-7a29-4fb8-8a5f-f146460907fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2022-11-25 23:59:17,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:59:17,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:59:17,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:59:17,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:59:17,439 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:59:17,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-11-25 23:59:20,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:59:21,173 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:59:21,174 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-11-25 23:59:21,193 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/data/bfe43282e/3430ade4b16742b9a3e00584c845052f/FLAG72c29a2d1 [2022-11-25 23:59:21,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/data/bfe43282e/3430ade4b16742b9a3e00584c845052f [2022-11-25 23:59:21,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:59:21,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:59:21,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:59:21,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:59:21,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:59:21,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:59:21" (1/1) ... [2022-11-25 23:59:21,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757d5f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:21, skipping insertion in model container [2022-11-25 23:59:21,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:59:21" (1/1) ... [2022-11-25 23:59:21,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:59:21,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:59:21,771 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_f0947c80-7a29-4fb8-8a5f-f146460907fb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-11-25 23:59:21,911 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:59:21,921 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_f0947c80-7a29-4fb8-8a5f-f146460907fb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-11-25 23:59:21,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:59:21,940 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:59:21,997 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_f0947c80-7a29-4fb8-8a5f-f146460907fb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-11-25 23:59:22,058 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:59:22,082 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_f0947c80-7a29-4fb8-8a5f-f146460907fb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-11-25 23:59:22,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:59:22,140 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:59:22,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22 WrapperNode [2022-11-25 23:59:22,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:59:22,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:59:22,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:59:22,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:59:22,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,303 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-25 23:59:22,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:59:22,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:59:22,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:59:22,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:59:22,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,394 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:59:22,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:59:22,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:59:22,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:59:22,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (1/1) ... [2022-11-25 23:59:22,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:59:22,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:22,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:59:22,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:59:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:59:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:59:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:59:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:59:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:59:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:59:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:59:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:59:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:59:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:59:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:59:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:59:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:59:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:59:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:59:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:59:22,881 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:59:22,900 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:59:24,816 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:59:25,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:59:25,279 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 23:59:25,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:59:25 BoogieIcfgContainer [2022-11-25 23:59:25,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:59:25,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:59:25,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:59:25,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:59:25,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:59:21" (1/3) ... [2022-11-25 23:59:25,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257768d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:59:25, skipping insertion in model container [2022-11-25 23:59:25,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:22" (2/3) ... [2022-11-25 23:59:25,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257768d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:59:25, skipping insertion in model container [2022-11-25 23:59:25,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:59:25" (3/3) ... [2022-11-25 23:59:25,296 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2022-11-25 23:59:25,316 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:59:25,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:59:25,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:59:25,399 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;@673563ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:59:25,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:59:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:59:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:59:25,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:25,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:25,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:25,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-25 23:59:25,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:25,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801599730] [2022-11-25 23:59:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:25,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:25,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801599730] [2022-11-25 23:59:25,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801599730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:25,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:25,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:59:25,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138709060] [2022-11-25 23:59:25,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:25,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:59:25,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:25,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:59:25,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:59:25,741 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:59:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:26,242 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-25 23:59:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:59:26,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:59:26,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:26,260 INFO L225 Difference]: With dead ends: 245 [2022-11-25 23:59:26,260 INFO L226 Difference]: Without dead ends: 122 [2022-11-25 23:59:26,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:59:26,268 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:26,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:59:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-25 23:59:26,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-25 23:59:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:59:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-25 23:59:26,343 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-25 23:59:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:26,343 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-25 23:59:26,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:59:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-25 23:59:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:59:26,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:26,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:26,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:59:26,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:26,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-25 23:59:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:26,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052994045] [2022-11-25 23:59:26,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:26,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:26,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:26,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052994045] [2022-11-25 23:59:26,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052994045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:26,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:26,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:59:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255014339] [2022-11-25 23:59:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:26,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:26,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:26,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:26,571 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-25 23:59:29,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:59:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:29,616 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-25 23:59:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:59:29,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-11-25 23:59:29,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:29,626 INFO L225 Difference]: With dead ends: 258 [2022-11-25 23:59:29,627 INFO L226 Difference]: Without dead ends: 189 [2022-11-25 23:59:29,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:59:29,629 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:29,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 23:59:29,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-25 23:59:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-25 23:59:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:59:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-25 23:59:29,649 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-25 23:59:29,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:29,649 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-25 23:59:29,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-25 23:59:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-25 23:59:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 23:59:29,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:29,652 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:59:29,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:59:29,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:29,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:29,653 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-25 23:59:29,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:29,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850810752] [2022-11-25 23:59:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:29,836 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:59:29,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324788212] [2022-11-25 23:59:29,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:29,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:29,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:29,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:59:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:30,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:59:30,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:59:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:30,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:59:30,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:30,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850810752] [2022-11-25 23:59:30,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:59:30,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324788212] [2022-11-25 23:59:30,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324788212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:30,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:30,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:59:30,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122397364] [2022-11-25 23:59:30,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:30,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:59:30,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:30,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:59:30,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:59:30,898 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2022-11-25 23:59:32,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:32,420 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-25 23:59:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:59:32,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 37 [2022-11-25 23:59:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:32,432 INFO L225 Difference]: With dead ends: 304 [2022-11-25 23:59:32,432 INFO L226 Difference]: Without dead ends: 183 [2022-11-25 23:59:32,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:59:32,435 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:32,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:59:32,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-25 23:59:32,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-25 23:59:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:59:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-25 23:59:32,474 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-25 23:59:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:32,475 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-25 23:59:32,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2022-11-25 23:59:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-25 23:59:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 23:59:32,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:32,478 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-25 23:59:32,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:59:32,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:32,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:32,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:32,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-25 23:59:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:32,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545744242] [2022-11-25 23:59:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:32,768 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:59:32,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113262112] [2022-11-25 23:59:32,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:32,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:32,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:32,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:32,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:59:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:33,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:59:33,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:59:33,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:59:33,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:59:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:59:33,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:59:33,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:33,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545744242] [2022-11-25 23:59:33,589 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:59:33,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113262112] [2022-11-25 23:59:33,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113262112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:33,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:33,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:33,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982406254] [2022-11-25 23:59:33,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:33,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:33,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:33,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:33,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:33,594 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:59:35,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:35,630 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-25 23:59:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:59:35,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-11-25 23:59:35,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:35,635 INFO L225 Difference]: With dead ends: 231 [2022-11-25 23:59:35,635 INFO L226 Difference]: Without dead ends: 212 [2022-11-25 23:59:35,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:59:35,637 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:35,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 23:59:35,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-25 23:59:35,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-25 23:59:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:59:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-25 23:59:35,654 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-25 23:59:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:35,655 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-25 23:59:35,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:59:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-25 23:59:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:59:35,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:35,657 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-25 23:59:35,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:59:35,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:35,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:35,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:35,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-25 23:59:35,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:35,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150244948] [2022-11-25 23:59:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:35,939 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:59:35,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1411850178] [2022-11-25 23:59:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:35,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:35,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:35,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:35,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:59:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:36,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:59:36,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:59:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:59:36,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:59:36,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:36,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150244948] [2022-11-25 23:59:36,701 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:59:36,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411850178] [2022-11-25 23:59:36,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411850178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:36,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:36,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:36,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544505535] [2022-11-25 23:59:36,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:36,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:36,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:36,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:36,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:36,706 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:59:37,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:37,948 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-25 23:59:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:59:37,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 23:59:37,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:37,951 INFO L225 Difference]: With dead ends: 395 [2022-11-25 23:59:37,952 INFO L226 Difference]: Without dead ends: 242 [2022-11-25 23:59:37,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:59:37,955 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:37,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:59:37,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-25 23:59:37,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-25 23:59:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:59:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-25 23:59:37,986 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-25 23:59:37,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:37,987 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-25 23:59:37,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:59:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-25 23:59:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 23:59:37,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:37,990 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-25 23:59:38,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:59:38,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:38,201 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:38,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:38,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-25 23:59:38,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:38,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185796524] [2022-11-25 23:59:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:38,286 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:59:38,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097115695] [2022-11-25 23:59:38,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:38,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:38,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:38,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:38,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:59:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:53,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:59:53,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:59:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:59:53,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:59:53,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:53,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185796524] [2022-11-25 23:59:53,365 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:59:53,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097115695] [2022-11-25 23:59:53,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097115695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:53,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:53,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:53,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001397546] [2022-11-25 23:59:53,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:53,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:53,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:53,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:53,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:53,371 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:59:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:54,676 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-25 23:59:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:59:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-25 23:59:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:54,681 INFO L225 Difference]: With dead ends: 411 [2022-11-25 23:59:54,681 INFO L226 Difference]: Without dead ends: 216 [2022-11-25 23:59:54,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:59:54,683 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:54,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:59:54,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-25 23:59:54,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-25 23:59:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-25 23:59:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-25 23:59:54,702 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-25 23:59:54,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:54,702 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-25 23:59:54,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:59:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-25 23:59:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:59:54,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:54,705 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-25 23:59:54,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:59:54,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:59:54,930 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:54,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:54,930 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-25 23:59:54,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:54,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268601092] [2022-11-25 23:59:54,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:54,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:55,026 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:59:55,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031017817] [2022-11-25 23:59:55,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:55,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:55,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:55,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0947c80-7a29-4fb8-8a5f-f146460907fb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:00:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:42,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:00:42,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:00:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:00:42,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:00:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:00:43,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:43,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268601092] [2022-11-26 00:00:43,024 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:00:43,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031017817] [2022-11-26 00:00:43,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031017817] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:00:43,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1618428938] [2022-11-26 00:00:43,055 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 00:00:43,056 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:00:43,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:00:43,068 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:00:43,068 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:00:43,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:00:43,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:00:43,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,258 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:00:43,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:00:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:00:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,310 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:00:43,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:00:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,385 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:00:43,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-26 00:00:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,458 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:00:43,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-26 00:00:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,498 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 00:00:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,563 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:00:43,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:00:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:43,593 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 00:00:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-26 00:00:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-26 00:00:44,277 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 00:00:44,298 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 00:00:44,340 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 00:00:44,355 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 00:00:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:00:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:00:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:00:44,654 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 00:00:44,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,733 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:00:44,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:00:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:44,827 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:00:44,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:00:44,866 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 00:00:45,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:00:45,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:00:45,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:00:45,159 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:00:45,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-26 00:00:45,200 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:00:45,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-26 00:00:45,241 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:00:45,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 00:00:45,288 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 00:00:45,294 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 00:00:45,302 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 00:00:45,409 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 00:00:45,437 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 00:00:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:00:45,701 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 00:00:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:00:45,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:00:45,782 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 00:00:47,126 INFO L217 Elim1Store]: Index analysis took 869 ms [2022-11-26 00:00:53,094 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:00:53,095 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:00:53,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-26 00:00:54,484 INFO L217 Elim1Store]: Index analysis took 1151 ms [2022-11-26 00:00:55,248 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:00:55,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 00:01:07,200 WARN L233 SmtUtils]: Spent 11.75s 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 00:01:07,201 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:01:07,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:01:07,623 INFO L217 Elim1Store]: Index analysis took 197 ms [2022-11-26 00:01:40,884 WARN L233 SmtUtils]: Spent 33.26s 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 00:01:40,885 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:01:40,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-26 00:01:43,170 INFO L217 Elim1Store]: Index analysis took 1587 ms [2022-11-26 00:02:15,247 WARN L233 SmtUtils]: Spent 30.94s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:02:15,248 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-26 00:02:15,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-11-26 00:02:17,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:17,026 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-26 00:02:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:17,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:17,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 00:02:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:18,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-26 00:02:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:18,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:02:19,521 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-26 00:02:22,577 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-26 00:02:22,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-11-26 00:02:31,474 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:32,219 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:02:32,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-11-26 00:02:33,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:41,773 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 45 DAG size of output: 37 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:02:41,774 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-26 00:02:41,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-11-26 00:02:42,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43142 treesize of output 43102 [2022-11-26 00:02:45,284 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-26 00:02:45,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-11-26 00:02:46,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:02:49,261 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-26 00:02:49,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-11-26 00:03:23,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:24,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:24,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:24,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:25,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,690 INFO L217 Elim1Store]: Index analysis took 6917 ms [2022-11-26 00:03:27,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:27,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-11-26 00:03:27,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:03:29,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:33,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,587 INFO L217 Elim1Store]: Index analysis took 6986 ms [2022-11-26 00:03:35,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:35,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-26 00:03:36,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:37,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:40,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,358 INFO L217 Elim1Store]: Index analysis took 5435 ms [2022-11-26 00:03:41,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:41,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-11-26 00:03:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:41,879 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-11-26 00:03:41,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-26 00:03:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:43,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:45,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:46,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,700 INFO L217 Elim1Store]: Index analysis took 4317 ms [2022-11-26 00:03:46,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:46,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-11-26 00:03:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:47,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2022-11-26 00:03:47,434 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:49,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,651 INFO L217 Elim1Store]: Index analysis took 2128 ms [2022-11-26 00:03:49,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:49,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-11-26 00:03:55,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:00,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,269 INFO L217 Elim1Store]: Index analysis took 7934 ms [2022-11-26 00:04:02,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:02,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-11-26 00:04:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:02,827 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-26 00:04:02,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 194 [2022-11-26 00:04:03,009 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:09,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:09,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:09,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:09,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,829 INFO L217 Elim1Store]: Index analysis took 7614 ms [2022-11-26 00:04:10,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:10,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-11-26 00:04:11,224 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:12,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:17,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:17,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,650 INFO L217 Elim1Store]: Index analysis took 7105 ms [2022-11-26 00:04:18,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:18,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-26 00:04:19,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:19,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 54 [2022-11-26 00:04:20,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:20,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:20,996 INFO L217 Elim1Store]: Index analysis took 1637 ms [2022-11-26 00:04:20,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-11-26 00:04:36,606 INFO L217 Elim1Store]: Index analysis took 10226 ms [2022-11-26 00:04:38,200 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-26 00:04:38,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-11-26 00:04:38,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,706 INFO L217 Elim1Store]: Index analysis took 301 ms [2022-11-26 00:04:39,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:39,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-11-26 00:04:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-26 00:04:45,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:47,700 INFO L217 Elim1Store]: Index analysis took 7945 ms [2022-11-26 00:04:48,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 316 treesize of output 2350 [2022-11-26 00:04:49,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:50,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:51,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,159 INFO L217 Elim1Store]: Index analysis took 10829 ms [2022-11-26 00:05:00,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-11-26 00:05:00,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:00,751 INFO L217 Elim1Store]: Index analysis took 299 ms [2022-11-26 00:05:01,358 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:05:01,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-11-26 00:05:01,868 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:05:02,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:16,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,185 INFO L217 Elim1Store]: Index analysis took 16581 ms [2022-11-26 00:05:19,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:19,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-11-26 00:05:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:20,166 INFO L217 Elim1Store]: Index analysis took 367 ms [2022-11-26 00:05:20,980 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:05:20,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-11-26 00:05:21,422 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:05:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:23,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:25,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:25,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,274 INFO L217 Elim1Store]: Index analysis took 4602 ms [2022-11-26 00:05:26,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-11-26 00:05:26,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2022-11-26 00:05:26,902 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:06:53,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,217 INFO L217 Elim1Store]: Index analysis took 2944 ms [2022-11-26 00:06:56,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-11-26 00:06:58,114 INFO L217 Elim1Store]: Index analysis took 609 ms [2022-11-26 00:08:47,411 WARN L233 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:08:47,414 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-26 00:08:47,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048