./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW --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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- 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-4e7fbc6 [2022-11-23 14:53:53,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:53:53,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:53:53,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:53:53,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:53:53,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:53:53,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:53:53,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:53:53,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:53:53,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:53:53,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:53:53,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:53:53,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:53:53,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:53:53,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:53:53,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:53:53,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:53:53,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:53:53,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:53:53,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:53:53,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:53:53,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:53:53,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:53:53,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:53:53,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:53:53,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:53:53,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:53:53,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:53:53,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:53:53,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:53:53,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:53:53,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:53:53,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:53:53,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:53:53,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:53:53,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:53:53,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:53:53,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:53:53,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:53:53,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:53:53,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:53:53,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:53:54,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:53:54,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:53:54,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:53:54,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:53:54,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:53:54,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:53:54,019 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:53:54,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:53:54,020 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:53:54,020 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:53:54,021 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:53:54,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:53:54,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:53:54,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:53:54,022 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:53:54,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:53:54,023 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:53:54,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:53:54,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:53:54,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:53:54,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:53:54,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:53:54,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:53:54,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:53:54,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:53:54,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:53:54,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:53:54,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:53:54,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:53:54,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:53:54,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:53:54,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:53:54,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:54,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:53:54,029 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:53:54,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:53:54,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:53:54,030 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:53:54,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:53:54,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:53:54,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:53:54,031 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_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2022-11-23 14:53:54,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:53:54,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:53:54,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:53:54,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:53:54,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:53:54,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-11-23 14:53:57,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:53:58,115 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:53:58,115 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-11-23 14:53:58,132 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/data/725dcdc27/f05086a97ea549b19f4c7fb4fb690ac8/FLAG330702b90 [2022-11-23 14:53:58,149 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/data/725dcdc27/f05086a97ea549b19f4c7fb4fb690ac8 [2022-11-23 14:53:58,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:53:58,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:53:58,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:58,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:53:58,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:53:58,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:58" (1/1) ... [2022-11-23 14:53:58,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1568409c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:58, skipping insertion in model container [2022-11-23 14:53:58,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:58" (1/1) ... [2022-11-23 14:53:58,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:53:58,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:53:58,667 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_ec507a19-a1dc-479b-a2a1-f016fb58a01a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-11-23 14:53:58,798 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_ec507a19-a1dc-479b-a2a1-f016fb58a01a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-11-23 14:53:58,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:53:58,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:53:58,900 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_ec507a19-a1dc-479b-a2a1-f016fb58a01a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-11-23 14:53:58,962 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_ec507a19-a1dc-479b-a2a1-f016fb58a01a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-11-23 14:53:58,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:53:59,007 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:53:59,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59 WrapperNode [2022-11-23 14:53:59,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:59,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:53:59,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:53:59,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:53:59,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,159 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-23 14:53:59,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:53:59,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:53:59,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:53:59,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:53:59,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:53:59,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:53:59,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:53:59,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:53:59,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (1/1) ... [2022-11-23 14:53:59,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:53:59,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:53:59,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:53:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:53:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:53:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:53:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:53:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:53:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:53:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:53:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:53:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:53:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:53:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 14:53:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:53:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:53:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:53:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:53:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:53:59,800 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:53:59,802 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:54:01,683 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:54:02,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:54:02,202 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-23 14:54:02,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:54:02 BoogieIcfgContainer [2022-11-23 14:54:02,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:54:02,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:54:02,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:54:02,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:54:02,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:53:58" (1/3) ... [2022-11-23 14:54:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fd4db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:54:02, skipping insertion in model container [2022-11-23 14:54:02,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:59" (2/3) ... [2022-11-23 14:54:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fd4db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:54:02, skipping insertion in model container [2022-11-23 14:54:02,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:54:02" (3/3) ... [2022-11-23 14:54:02,216 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2022-11-23 14:54:02,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:54:02,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:54:02,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:54:02,316 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;@15ae5597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:54:02,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:54:02,322 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) [2022-11-23 14:54:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:54:02,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:02,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:54:02,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:02,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:02,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-23 14:54:02,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:02,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625665763] [2022-11-23 14:54:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:02,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:54:02,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:02,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625665763] [2022-11-23 14:54:02,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625665763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:02,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:02,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:54:02,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974997576] [2022-11-23 14:54:02,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:02,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:54:02,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:02,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:54:02,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:54:02,647 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) [2022-11-23 14:54:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:03,237 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-23 14:54:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:54:03,243 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 [2022-11-23 14:54:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:03,251 INFO L225 Difference]: With dead ends: 245 [2022-11-23 14:54:03,251 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 14:54:03,255 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 [2022-11-23 14:54:03,258 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:03,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:54:03,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 14:54:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-23 14:54:03,307 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) [2022-11-23 14:54:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-23 14:54:03,310 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-23 14:54:03,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:03,311 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-23 14:54:03,311 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) [2022-11-23 14:54:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-23 14:54:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:54:03,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:03,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:54:03,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:54:03,313 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:03,314 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-23 14:54:03,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:03,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299411927] [2022-11-23 14:54:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:03,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:54:03,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:03,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299411927] [2022-11-23 14:54:03,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299411927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:03,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:03,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:54:03,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170202046] [2022-11-23 14:54:03,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:03,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:54:03,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:03,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:54:03,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:54:03,528 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) [2022-11-23 14:54:05,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:54:06,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:06,117 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-23 14:54:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:54:06,122 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 [2022-11-23 14:54:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:06,126 INFO L225 Difference]: With dead ends: 258 [2022-11-23 14:54:06,126 INFO L226 Difference]: Without dead ends: 189 [2022-11-23 14:54:06,127 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 [2022-11-23 14:54:06,129 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:06,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 14:54:06,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-23 14:54:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-23 14:54:06,146 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) [2022-11-23 14:54:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-23 14:54:06,148 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-23 14:54:06,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:06,149 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-23 14:54:06,149 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) [2022-11-23 14:54:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-23 14:54:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 14:54:06,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:06,151 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] [2022-11-23 14:54:06,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:54:06,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:06,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:06,152 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-23 14:54:06,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:06,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373749680] [2022-11-23 14:54:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:06,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:06,393 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:54:06,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926451831] [2022-11-23 14:54:06,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:06,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:06,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:54:06,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:54:06,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:54:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:07,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:54:07,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:54:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:54:07,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:54:07,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:07,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373749680] [2022-11-23 14:54:07,380 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:54:07,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926451831] [2022-11-23 14:54:07,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926451831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:07,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:07,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:54:07,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752044808] [2022-11-23 14:54:07,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:07,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:54:07,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:54:07,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:54:07,383 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) [2022-11-23 14:54:08,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:08,581 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-23 14:54:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:54:08,587 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 [2022-11-23 14:54:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:08,589 INFO L225 Difference]: With dead ends: 304 [2022-11-23 14:54:08,589 INFO L226 Difference]: Without dead ends: 183 [2022-11-23 14:54:08,590 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 [2022-11-23 14:54:08,592 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:08,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 14:54:08,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-23 14:54:08,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-23 14:54:08,609 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) [2022-11-23 14:54:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-23 14:54:08,611 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-23 14:54:08,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:08,612 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-23 14:54:08,612 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) [2022-11-23 14:54:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-23 14:54:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 14:54:08,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:08,614 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] [2022-11-23 14:54:08,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:54:08,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:08,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-23 14:54:08,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:08,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745144909] [2022-11-23 14:54:08,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:08,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:08,954 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:54:08,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737277900] [2022-11-23 14:54:08,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:08,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:08,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:54:08,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:54:08,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:54:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:09,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:54:09,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:54:09,610 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 [2022-11-23 14:54:09,640 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 [2022-11-23 14:54:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:54:09,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:54:09,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:09,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745144909] [2022-11-23 14:54:09,652 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:54:09,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737277900] [2022-11-23 14:54:09,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737277900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:09,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:09,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:54:09,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525457541] [2022-11-23 14:54:09,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:09,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:54:09,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:09,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:54:09,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:54:09,656 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) [2022-11-23 14:54:11,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:11,425 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-23 14:54:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:54:11,430 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 [2022-11-23 14:54:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:11,431 INFO L225 Difference]: With dead ends: 231 [2022-11-23 14:54:11,432 INFO L226 Difference]: Without dead ends: 212 [2022-11-23 14:54:11,432 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 [2022-11-23 14:54:11,433 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:11,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 14:54:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-23 14:54:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-23 14:54:11,464 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) [2022-11-23 14:54:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-23 14:54:11,466 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-23 14:54:11,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:11,467 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-23 14:54:11,467 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) [2022-11-23 14:54:11,467 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-23 14:54:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 14:54:11,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:11,473 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] [2022-11-23 14:54:11,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:54:11,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:11,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:11,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-23 14:54:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:11,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085551164] [2022-11-23 14:54:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:11,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:54:11,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1891924217] [2022-11-23 14:54:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:11,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:54:11,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:54:11,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:54:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:12,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:54:12,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:54:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:54:12,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:54:12,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:12,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085551164] [2022-11-23 14:54:12,538 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:54:12,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891924217] [2022-11-23 14:54:12,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891924217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:12,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:12,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:54:12,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34455406] [2022-11-23 14:54:12,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:12,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:54:12,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:12,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:54:12,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:54:12,541 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) [2022-11-23 14:54:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:13,586 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-23 14:54:13,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:54:13,587 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 [2022-11-23 14:54:13,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:13,589 INFO L225 Difference]: With dead ends: 395 [2022-11-23 14:54:13,589 INFO L226 Difference]: Without dead ends: 242 [2022-11-23 14:54:13,590 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 [2022-11-23 14:54:13,591 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:13,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 14:54:13,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-23 14:54:13,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-23 14:54:13,612 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) [2022-11-23 14:54:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-23 14:54:13,614 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-23 14:54:13,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:13,614 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-23 14:54:13,615 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) [2022-11-23 14:54:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-23 14:54:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 14:54:13,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:13,617 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] [2022-11-23 14:54:13,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:54:13,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:13,832 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:13,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:13,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-23 14:54:13,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:13,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291776764] [2022-11-23 14:54:13,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:13,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:13,907 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:54:13,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247683903] [2022-11-23 14:54:13,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:13,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:13,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:54:13,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:54:13,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:54:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:27,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:54:27,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:54:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:54:27,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:54:27,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:27,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291776764] [2022-11-23 14:54:27,299 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:54:27,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247683903] [2022-11-23 14:54:27,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247683903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:27,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:27,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:54:27,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877454832] [2022-11-23 14:54:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:27,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:54:27,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:54:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:54:27,302 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) [2022-11-23 14:54:28,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:28,368 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-23 14:54:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:54:28,372 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 [2022-11-23 14:54:28,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:28,374 INFO L225 Difference]: With dead ends: 411 [2022-11-23 14:54:28,374 INFO L226 Difference]: Without dead ends: 216 [2022-11-23 14:54:28,374 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 [2022-11-23 14:54:28,375 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:28,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 14:54:28,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-23 14:54:28,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-23 14:54:28,391 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) [2022-11-23 14:54:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-23 14:54:28,393 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-23 14:54:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:28,393 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-23 14:54:28,393 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) [2022-11-23 14:54:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-23 14:54:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:54:28,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:28,396 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] [2022-11-23 14:54:28,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 14:54:28,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 14:54:28,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:28,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:28,610 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-23 14:54:28,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:28,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972706687] [2022-11-23 14:54:28,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:28,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:28,696 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:54:28,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172880139] [2022-11-23 14:54:28,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:28,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:28,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:54:28,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:54:28,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec507a19-a1dc-479b-a2a1-f016fb58a01a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:55:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:55:15,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:55:15,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:55:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:55:15,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:55:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:55:15,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:55:15,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972706687] [2022-11-23 14:55:15,241 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:55:15,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172880139] [2022-11-23 14:55:15,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172880139] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:55:15,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [903531452] [2022-11-23 14:55:15,277 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 14:55:15,278 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:55:15,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:55:15,291 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:55:15,292 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:55:15,445 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 [2022-11-23 14:55:15,451 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 [2022-11-23 14:55:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,477 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:55:15,478 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 [2022-11-23 14:55:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,491 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 [2022-11-23 14:55:15,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,525 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 14:55:15,525 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 [2022-11-23 14:55:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,603 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:55:15,604 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 [2022-11-23 14:55:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,701 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:55:15,702 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 [2022-11-23 14:55:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,735 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 [2022-11-23 14:55:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,795 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:55:15,796 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 [2022-11-23 14:55:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:15,832 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 [2022-11-23 14:55:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,441 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 [2022-11-23 14:55:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,522 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 [2022-11-23 14:55:16,577 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 [2022-11-23 14:55:16,603 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 [2022-11-23 14:55:16,654 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 [2022-11-23 14:55:16,672 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 [2022-11-23 14:55:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,751 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 [2022-11-23 14:55:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,829 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 [2022-11-23 14:55:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:16,944 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 [2022-11-23 14:55:16,997 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 [2022-11-23 14:55:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,083 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:55:17,084 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 [2022-11-23 14:55:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,196 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:55:17,196 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 [2022-11-23 14:55:17,258 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 [2022-11-23 14:55:17,473 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 [2022-11-23 14:55:17,479 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 [2022-11-23 14:55:17,485 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 [2022-11-23 14:55:17,544 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:55:17,545 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 [2022-11-23 14:55:17,583 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 14:55:17,584 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 [2022-11-23 14:55:17,618 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:55:17,619 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 [2022-11-23 14:55:17,664 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 [2022-11-23 14:55:17,670 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 [2022-11-23 14:55:17,678 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 [2022-11-23 14:55:17,743 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 [2022-11-23 14:55:17,767 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 [2022-11-23 14:55:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:17,811 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 [2022-11-23 14:55:18,030 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 [2022-11-23 14:55:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:55:18,084 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 [2022-11-23 14:55:18,115 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 [2022-11-23 14:55:19,282 INFO L217 Elim1Store]: Index analysis took 769 ms [2022-11-23 14:55:25,287 WARN L233 SmtUtils]: Spent 6.00s 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) [2022-11-23 14:55:25,288 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 14:55:25,290 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 [2022-11-23 14:55:26,761 INFO L217 Elim1Store]: Index analysis took 1188 ms [2022-11-23 14:55:27,530 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 14:55:27,531 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 [2022-11-23 14:55:39,727 WARN L233 SmtUtils]: Spent 12.05s 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) [2022-11-23 14:55:39,727 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:55:39,728 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 [2022-11-23 14:55:40,163 INFO L217 Elim1Store]: Index analysis took 174 ms [2022-11-23 14:56:11,797 WARN L233 SmtUtils]: Spent 31.63s 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) [2022-11-23 14:56:11,797 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:56:11,798 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 [2022-11-23 14:56:14,297 INFO L217 Elim1Store]: Index analysis took 1753 ms [2022-11-23 14:56:46,530 WARN L233 SmtUtils]: Spent 30.95s 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) [2022-11-23 14:56:46,531 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-23 14:56:46,532 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 [2022-11-23 14:56:48,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:56:48,185 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 [2022-11-23 14:56:48,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:56:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:56:48,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:56:48,368 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 [2022-11-23 14:56:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:56:49,819 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 [2022-11-23 14:56:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:56:49,904 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 [2022-11-23 14:56:50,801 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-23 14:56:54,085 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-23 14:56:54,086 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 [2022-11-23 14:57:02,728 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:57:03,526 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:57:03,528 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 [2022-11-23 14:57:04,654 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:57:13,259 WARN L233 SmtUtils]: Spent 6.41s 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) [2022-11-23 14:57:13,259 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-23 14:57:13,260 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 [2022-11-23 14:57:14,337 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 [2022-11-23 14:57:16,552 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-23 14:57:16,553 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 [2022-11-23 14:57:17,535 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 [2022-11-23 14:57:20,410 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-23 14:57:20,412 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 [2022-11-23 14:57:53,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:53,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:53,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:54,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:55,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,903 INFO L217 Elim1Store]: Index analysis took 6384 ms [2022-11-23 14:57:56,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:57:56,916 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 [2022-11-23 14:57:57,101 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 [2022-11-23 14:57:59,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:02,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,483 INFO L217 Elim1Store]: Index analysis took 6680 ms [2022-11-23 14:58:04,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:04,496 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 [2022-11-23 14:58:05,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:05,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:08,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,671 INFO L217 Elim1Store]: Index analysis took 4873 ms [2022-11-23 14:58:09,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:09,682 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 [2022-11-23 14:58:10,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:10,125 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-23 14:58:10,126 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 [2022-11-23 14:58:11,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:11,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:13,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:13,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,318 INFO L217 Elim1Store]: Index analysis took 3739 ms [2022-11-23 14:58:14,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:14,328 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 [2022-11-23 14:58:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:14,681 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 [2022-11-23 14:58:15,008 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:58:16,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:16,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,043 INFO L217 Elim1Store]: Index analysis took 1958 ms [2022-11-23 14:58:17,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:17,058 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 [2022-11-23 14:58:22,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:26,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,620 INFO L217 Elim1Store]: Index analysis took 7131 ms [2022-11-23 14:58:28,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:28,631 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 [2022-11-23 14:58:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:29,114 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 [2022-11-23 14:58:29,285 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:58:34,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:34,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:34,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:34,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:35,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,013 INFO L217 Elim1Store]: Index analysis took 6549 ms [2022-11-23 14:58:36,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:36,026 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 [2022-11-23 14:58:36,382 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:58:37,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:41,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:42,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:42,996 INFO L217 Elim1Store]: Index analysis took 6320 ms [2022-11-23 14:58:42,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:42,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:42,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:43,007 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 [2022-11-23 14:58:43,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:43,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:43,523 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 [2022-11-23 14:58:44,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:44,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,170 INFO L217 Elim1Store]: Index analysis took 1501 ms [2022-11-23 14:58:45,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:45,184 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 [2022-11-23 14:58:59,422 INFO L217 Elim1Store]: Index analysis took 9317 ms [2022-11-23 14:59:00,903 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-23 14:59:00,903 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 [2022-11-23 14:59:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:01,355 INFO L217 Elim1Store]: Index analysis took 264 ms [2022-11-23 14:59:01,818 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:59:01,818 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 [2022-11-23 14:59:02,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:02,171 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 [2022-11-23 14:59:07,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:09,781 INFO L217 Elim1Store]: Index analysis took 7372 ms [2022-11-23 14:59:10,843 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 [2022-11-23 14:59:11,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:12,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:12,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,862 INFO L217 Elim1Store]: Index analysis took 9616 ms [2022-11-23 14:59:20,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:20,877 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 [2022-11-23 14:59:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:21,359 INFO L217 Elim1Store]: Index analysis took 248 ms [2022-11-23 14:59:21,856 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:59:21,856 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 [2022-11-23 14:59:22,360 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:59:23,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:25,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:28,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:36,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,390 INFO L217 Elim1Store]: Index analysis took 15283 ms [2022-11-23 14:59:38,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:38,403 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 [2022-11-23 14:59:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:39,282 INFO L217 Elim1Store]: Index analysis took 353 ms [2022-11-23 14:59:40,048 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:59:40,049 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 [2022-11-23 14:59:40,453 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:59:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:42,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:44,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,713 INFO L217 Elim1Store]: Index analysis took 4027 ms [2022-11-23 14:59:44,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:44,723 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 [2022-11-23 14:59:44,892 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 [2022-11-23 14:59:45,340 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:01:07,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:09,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:01:10,117 INFO L217 Elim1Store]: Index analysis took 2696 ms [2022-11-23 15:01:10,281 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 [2022-11-23 15:01:11,943 INFO L217 Elim1Store]: Index analysis took 573 ms [2022-11-23 15:03:09,375 WARN L233 SmtUtils]: Spent 1.95m 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) [2022-11-23 15:03:09,378 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-23 15:03:09,385 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