./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P --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 efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:54:21,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:54:21,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:54:21,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:54:21,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:54:21,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:54:21,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:54:21,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:54:21,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:54:21,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:54:21,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:54:21,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:54:21,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:54:21,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:54:21,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:54:21,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:54:21,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:54:21,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:54:21,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:54:21,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:54:21,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:54:21,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:54:21,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:54:21,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:54:21,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:54:21,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:54:21,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:54:21,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:54:21,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:54:21,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:54:21,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:54:21,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:54:21,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:54:21,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:54:21,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:54:21,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:54:21,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:54:21,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:54:21,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:54:21,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:54:21,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:54:21,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:54:21,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:54:21,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:54:21,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:54:21,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:54:21,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:54:21,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:54:21,294 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:54:21,294 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:54:21,294 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:54:21,295 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:54:21,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:54:21,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:54:21,296 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:54:21,296 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:54:21,297 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:54:21,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:54:21,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:54:21,297 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:54:21,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:54:21,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:54:21,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:54:21,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:54:21,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:54:21,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:54:21,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:54:21,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:54:21,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:54:21,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:54:21,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:54:21,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:54:21,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:54:21,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:54:21,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:54:21,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:54:21,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:54:21,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:54:21,304 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:54:21,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:54:21,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:54:21,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:54:21,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:54:21,305 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 [2021-11-21 01:54:21,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:54:21,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:54:21,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:54:21,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:54:21,662 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:54:21,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2021-11-21 01:54:21,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/data/6aa1d5ab1/45952c22a954439ab1340c92ff9475a2/FLAGe51381a95 [2021-11-21 01:54:22,453 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:54:22,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2021-11-21 01:54:22,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/data/6aa1d5ab1/45952c22a954439ab1340c92ff9475a2/FLAGe51381a95 [2021-11-21 01:54:22,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/data/6aa1d5ab1/45952c22a954439ab1340c92ff9475a2 [2021-11-21 01:54:22,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:54:22,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:54:22,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:54:22,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:54:22,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:54:22,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:54:22" (1/1) ... [2021-11-21 01:54:22,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff65727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:22, skipping insertion in model container [2021-11-21 01:54:22,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:54:22" (1/1) ... [2021-11-21 01:54:22,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:54:22,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:54:23,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2021-11-21 01:54:23,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:54:23,499 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:54:23,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2021-11-21 01:54:23,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:54:23,727 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:54:23,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23 WrapperNode [2021-11-21 01:54:23,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:54:23,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:54:23,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:54:23,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:54:23,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,889 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1445 [2021-11-21 01:54:23,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:54:23,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:54:23,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:54:23,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:54:23,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:24,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:24,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:24,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:24,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:54:24,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:54:24,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:54:24,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:54:24,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:24,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:54:24,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:54:24,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:54:24,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:54:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:54:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:54:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:54:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:54:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:54:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:54:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:54:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:54:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:54:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:54:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:54:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:54:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:54:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:54:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:54:24,506 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:54:24,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:54:25,811 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:54:26,388 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:54:26,389 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 01:54:26,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:54:26 BoogieIcfgContainer [2021-11-21 01:54:26,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:54:26,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:54:26,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:54:26,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:54:26,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:54:22" (1/3) ... [2021-11-21 01:54:26,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ee0d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:54:26, skipping insertion in model container [2021-11-21 01:54:26,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23" (2/3) ... [2021-11-21 01:54:26,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ee0d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:54:26, skipping insertion in model container [2021-11-21 01:54:26,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:54:26" (3/3) ... [2021-11-21 01:54:26,401 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-3.i [2021-11-21 01:54:26,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:54:26,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:54:26,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:54:26,465 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:54:26,466 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:54:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:54:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:54:26,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:26,496 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:26,497 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:54:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:26,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1783625313, now seen corresponding path program 1 times [2021-11-21 01:54:26,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:26,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750144978] [2021-11-21 01:54:26,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:26,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:54:26,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:26,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750144978] [2021-11-21 01:54:26,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750144978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:54:26,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:54:26,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:54:26,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346812337] [2021-11-21 01:54:26,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:54:26,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:54:26,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:54:26,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:54:26,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:54:26,728 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:54:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:54:29,058 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2021-11-21 01:54:29,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:54:29,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:54:29,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:54:29,080 INFO L225 Difference]: With dead ends: 399 [2021-11-21 01:54:29,081 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:54:29,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:54:29,089 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 97 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:54:29,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 344 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 01:54:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:54:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:54:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:54:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:54:29,153 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:54:29,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:54:29,153 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:54:29,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:54:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:54:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:54:29,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:29,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:29,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:54:29,158 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:54:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1011489585, now seen corresponding path program 1 times [2021-11-21 01:54:29,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:29,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313328993] [2021-11-21 01:54:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:29,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:29,186 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:54:29,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696631848] [2021-11-21 01:54:29,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:29,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:54:29,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:54:29,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:54:29,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:54:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:29,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:54:29,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:54:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:54:29,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:54:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:54:29,943 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:29,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313328993] [2021-11-21 01:54:29,944 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:54:29,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696631848] [2021-11-21 01:54:29,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696631848] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:54:29,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2094808886] [2021-11-21 01:54:29,968 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:54:29,969 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:54:29,974 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:54:29,979 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:54:29,981 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:54:30,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:30,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:30,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:30,268 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:54:30,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:54:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:30,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:30,390 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:54:30,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:54:30,473 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:54:30,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:54:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:30,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:31,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:31,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:54:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:54:32,170 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:54:32,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:54:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:32,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,252 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:54:32,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:54:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:32,358 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:54:32,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:54:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:32,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:33,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:54:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:33,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:54:33,853 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:54:34,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2094808886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:54:34,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:54:34,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:54:34,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828090119] [2021-11-21 01:54:34,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:54:34,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:54:34,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:54:34,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:54:34,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:54:34,458 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:54:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:54:38,297 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:54:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:54:38,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:54:38,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:54:38,300 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:54:38,301 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:54:38,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:54:38,304 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 12 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:54:38,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 371 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 01:54:38,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:54:38,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:54:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:54:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:54:38,323 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:54:38,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:54:38,324 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:54:38,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:54:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:54:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:54:38,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:38,327 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:38,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:54:38,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 01:54:38,546 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:54:38,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:38,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1235485580, now seen corresponding path program 1 times [2021-11-21 01:54:38,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:38,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716792146] [2021-11-21 01:54:38,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:38,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:38,582 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:54:38,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802353294] [2021-11-21 01:54:38,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:38,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:54:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:54:38,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:54:38,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:54:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:38,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:54:38,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:54:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:54:39,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:54:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:54:39,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:39,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716792146] [2021-11-21 01:54:39,292 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:54:39,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802353294] [2021-11-21 01:54:39,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802353294] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:54:39,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1947408798] [2021-11-21 01:54:39,297 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:54:39,298 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:54:39,298 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:54:39,298 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:54:39,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:54:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:39,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:39,556 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:54:39,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:54:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:39,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:39,649 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:54:39,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:54:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:39,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:39,737 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:54:39,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:54:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:54:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:54:40,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:54:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:54:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:54:41,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:54:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,320 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:54:41,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:54:41,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:54:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,461 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:54:41,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:54:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,510 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:54:41,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:54:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:41,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:54:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:42,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:42,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:42,460 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:54:42,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:54:42,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:54:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:42,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:42,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:54:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:54:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:54:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:54:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:54:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:54:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:43,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:54:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:54:44,131 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:54:44,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:54:44,182 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:54:44,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:54:44,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:54:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:44,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:54:45,239 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:54:45,514 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:54:46,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1947408798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:54:46,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:54:46,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:54:46,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725688630] [2021-11-21 01:54:46,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:54:46,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:54:46,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:54:46,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:54:46,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:54:46,608 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:54:49,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:54:54,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:54:57,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:54:57,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:54:57,248 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:54:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:54:57,249 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:54:57,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:54:57,251 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:54:57,251 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:54:57,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:54:57,254 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:54:57,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 765 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 310 Invalid, 0 Unknown, 80 Unchecked, 10.6s Time] [2021-11-21 01:54:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:54:57,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:54:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:54:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:54:57,275 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:54:57,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:54:57,275 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:54:57,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:54:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:54:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:54:57,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:57,281 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:57,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:54:57,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:54:57,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:54:57,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:57,487 INFO L85 PathProgramCache]: Analyzing trace with hash -662703022, now seen corresponding path program 1 times [2021-11-21 01:54:57,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:57,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700823213] [2021-11-21 01:54:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:57,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:57,527 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:54:57,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72126170] [2021-11-21 01:54:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:57,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:54:57,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:54:57,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:54:57,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14030ece-bf44-4f53-9cd4-bc9d73fa4265/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:54:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:57,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:54:57,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:54:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:54:57,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:54:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:54:58,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:58,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700823213] [2021-11-21 01:54:58,127 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:54:58,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72126170] [2021-11-21 01:54:58,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72126170] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:54:58,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [557884292] [2021-11-21 01:54:58,134 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:54:58,134 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:54:58,135 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:54:58,135 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:54:58,135 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:54:58,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:58,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:58,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:58,313 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:54:58,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:54:58,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:58,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:58,385 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:54:58,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:54:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:58,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:54:58,441 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:54:58,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:54:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:54:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:54:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:54:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:54:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:54:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:54:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:54:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:59,984 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:54:59,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:55:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:55:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:55:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,183 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:55:00,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:55:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:00,235 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:55:00,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:55:00,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:55:00,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:55:00,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:55:00,852 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:55:00,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:55:00,880 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:55:00,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:55:00,904 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:55:00,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:55:01,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:55:01,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:55:01,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:55:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:55:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:55:01,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:55:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:55:01,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:55:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:01,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:55:10,134 WARN L227 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:55:10,135 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:55:10,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:55:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:20,857 WARN L227 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:55:20,857 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:55:20,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:55:33,307 WARN L227 SmtUtils]: Spent 12.35s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:55:33,308 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:55:33,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:55:34,286 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:55:34,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:55:35,060 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:55:35,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:55:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,561 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:55:37,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 36 treesize of output 20 [2021-11-21 01:55:38,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:38,453 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:55:38,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 46 treesize of output 44