./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7 --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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:21:52,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:21:52,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:21:52,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:21:52,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:21:52,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:21:52,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:21:52,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:21:52,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:21:52,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:21:52,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:21:52,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:21:52,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:21:52,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:21:52,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:21:52,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:21:52,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:21:52,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:21:52,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:21:52,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:21:52,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:21:52,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:21:52,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:21:52,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:21:52,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:21:52,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:21:52,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:21:52,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:21:52,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:21:52,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:21:52,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:21:52,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:21:52,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:21:52,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:21:52,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:21:52,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:21:52,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:21:52,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:21:52,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:21:52,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:21:52,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:21:52,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:21:52,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:21:52,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:21:52,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:21:52,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:21:52,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:21:52,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:21:52,342 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:21:52,343 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:21:52,343 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:21:52,343 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:21:52,345 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:21:52,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:21:52,346 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:21:52,346 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:21:52,346 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:21:52,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:21:52,347 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:21:52,347 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:21:52,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:21:52,348 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:21:52,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:21:52,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:21:52,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:21:52,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:21:52,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:21:52,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:21:52,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:21:52,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:21:52,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:21:52,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:21:52,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:21:52,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:21:52,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:52,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:21:52,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:21:52,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:21:52,356 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:21:52,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:21:52,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:21:52,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:21:52,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:21:52,357 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_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2021-11-25 18:21:52,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:21:52,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:21:52,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:21:52,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:21:52,725 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:21:52,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2021-11-25 18:21:52,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/data/17089bd2b/efc571615ebb484d9ea8ea3c34078519/FLAG7155966bf [2021-11-25 18:21:53,656 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:21:53,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2021-11-25 18:21:53,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/data/17089bd2b/efc571615ebb484d9ea8ea3c34078519/FLAG7155966bf [2021-11-25 18:21:53,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/data/17089bd2b/efc571615ebb484d9ea8ea3c34078519 [2021-11-25 18:21:53,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:21:53,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:21:53,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:53,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:21:53,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:21:53,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:53" (1/1) ... [2021-11-25 18:21:53,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b9b33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:53, skipping insertion in model container [2021-11-25 18:21:53,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:53" (1/1) ... [2021-11-25 18:21:53,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:21:53,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:21:54,420 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_5dda2d48-1061-4802-819e-d0dbc77ba5bb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2021-11-25 18:21:54,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:54,540 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:21:54,606 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_5dda2d48-1061-4802-819e-d0dbc77ba5bb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2021-11-25 18:21:54,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:54,730 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:21:54,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54 WrapperNode [2021-11-25 18:21:54,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:54,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:54,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:21:54,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:21:54,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:54,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:54,844 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-25 18:21:54,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:54,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:21:54,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:21:54,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:21:54,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:54,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:54,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:54,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:55,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:55,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:55,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:55,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:21:55,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:21:55,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:21:55,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:21:55,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (1/1) ... [2021-11-25 18:21:55,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:55,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:55,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:21:55,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:21:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:21:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:21:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:21:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:21:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:21:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:21:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:21:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:21:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:21:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:21:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:21:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:21:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:21:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:21:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:21:55,437 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:21:55,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:21:56,537 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:21:56,880 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:21:56,880 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-25 18:21:56,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:56 BoogieIcfgContainer [2021-11-25 18:21:56,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:21:56,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:21:56,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:21:56,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:21:56,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:21:53" (1/3) ... [2021-11-25 18:21:56,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f3e2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:56, skipping insertion in model container [2021-11-25 18:21:56,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:54" (2/3) ... [2021-11-25 18:21:56,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f3e2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:56, skipping insertion in model container [2021-11-25 18:21:56,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:56" (3/3) ... [2021-11-25 18:21:56,893 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2021-11-25 18:21:56,900 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:21:56,900 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:21:56,957 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:21:56,966 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 [2021-11-25 18:21:56,966 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:21:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:21:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:21:56,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:56,997 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:56,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:57,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:57,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-25 18:21:57,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:57,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154592248] [2021-11-25 18:21:57,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:57,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:21:57,207 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:57,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154592248] [2021-11-25 18:21:57,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154592248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:57,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:57,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:21:57,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350710691] [2021-11-25 18:21:57,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:57,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:21:57,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:57,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:21:57,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:21:57,267 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) 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) [2021-11-25 18:21:59,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:21:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:59,211 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-25 18:21:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:21:59,229 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 [2021-11-25 18:21:59,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:59,243 INFO L225 Difference]: With dead ends: 237 [2021-11-25 18:21:59,243 INFO L226 Difference]: Without dead ends: 128 [2021-11-25 18:21:59,247 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 [2021-11-25 18:21:59,252 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:59,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:21:59,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-25 18:21:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-25 18:21:59,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:21:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-25 18:21:59,310 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-25 18:21:59,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:59,311 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-25 18:21:59,311 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) [2021-11-25 18:21:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-25 18:21:59,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:21:59,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:59,339 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] [2021-11-25 18:21:59,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:21:59,340 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:59,341 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-25 18:21:59,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:59,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002527063] [2021-11-25 18:21:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:59,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:59,539 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:59,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024543960] [2021-11-25 18:21:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:59,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:59,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:59,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:59,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:22:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:00,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:22:00,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:22:00,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:22:00,686 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:00,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002527063] [2021-11-25 18:22:00,687 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:22:00,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024543960] [2021-11-25 18:22:00,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024543960] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:22:00,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1923455640] [2021-11-25 18:22:00,711 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-25 18:22:00,712 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:00,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:00,724 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:00,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:00,888 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:22:00,889 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 [2021-11-25 18:22:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,916 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 [2021-11-25 18:22:00,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:00,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,946 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:00,946 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 [2021-11-25 18:22:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,982 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 [2021-11-25 18:22:01,034 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:22:01,035 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 [2021-11-25 18:22:01,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:22:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:22:01,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:01,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:01,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:22:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:22:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:02,086 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:22:03,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1923455640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:03,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:22:03,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:22:03,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688839585] [2021-11-25 18:22:03,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:03,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:22:03,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:03,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:22:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:22:03,234 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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) [2021-11-25 18:22:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:06,184 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-25 18:22:06,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:22:06,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 31 [2021-11-25 18:22:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:06,196 INFO L225 Difference]: With dead ends: 173 [2021-11-25 18:22:06,196 INFO L226 Difference]: Without dead ends: 94 [2021-11-25 18:22:06,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:22:06,199 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:06,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 18:22:06,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-25 18:22:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-25 18:22:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:22:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-25 18:22:06,219 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-25 18:22:06,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:06,220 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-25 18:22:06,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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) [2021-11-25 18:22:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-25 18:22:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:22:06,223 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:06,223 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] [2021-11-25 18:22:06,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:22:06,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:06,457 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:06,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:06,457 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-25 18:22:06,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:06,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494976619] [2021-11-25 18:22:06,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:06,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:06,538 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:22:06,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693373846] [2021-11-25 18:22:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:06,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:06,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:06,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:06,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:22:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:07,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:22:07,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:22:07,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:22:07,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:07,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494976619] [2021-11-25 18:22:07,330 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:22:07,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693373846] [2021-11-25 18:22:07,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693373846] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:22:07,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1760306150] [2021-11-25 18:22:07,343 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 18:22:07,343 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:07,344 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:07,345 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:07,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,424 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 [2021-11-25 18:22:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,444 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 [2021-11-25 18:22:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,501 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:07,502 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 [2021-11-25 18:22:07,543 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:22:07,543 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 [2021-11-25 18:22:07,595 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:22:07,595 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 [2021-11-25 18:22:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:22:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:22:07,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:07,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:22:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:22:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:22:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:22:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:08,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:22:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:22:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2021-11-25 18:22:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:09,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:22:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:22:09,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:09,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:22:09,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:22:09,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:22:09,545 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:22:09,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:22:09,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:22:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:22:09,683 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-25 18:22:09,776 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:22:11,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1760306150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:11,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:22:11,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:22:11,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575673403] [2021-11-25 18:22:11,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:11,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:22:11,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:11,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:22:11,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:22:11,969 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-11-25 18:22:14,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:14,218 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-25 18:22:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:22:14,226 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2021-11-25 18:22:14,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:14,228 INFO L225 Difference]: With dead ends: 175 [2021-11-25 18:22:14,228 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 18:22:14,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:22:14,231 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:14,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 2.2s Time] [2021-11-25 18:22:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 18:22:14,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 18:22:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 18:22:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-25 18:22:14,253 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-25 18:22:14,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:14,253 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-25 18:22:14,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-11-25 18:22:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 18:22:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 18:22:14,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:14,256 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] [2021-11-25 18:22:14,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:22:14,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:14,472 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-25 18:22:14,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:14,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731812235] [2021-11-25 18:22:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:14,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:14,522 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:22:14,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830116336] [2021-11-25 18:22:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:14,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:14,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:14,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:14,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda2d48-1061-4802-819e-d0dbc77ba5bb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:22:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:14,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:22:15,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:22:15,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:22:15,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:15,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731812235] [2021-11-25 18:22:15,232 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:22:15,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830116336] [2021-11-25 18:22:15,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830116336] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:22:15,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1928449500] [2021-11-25 18:22:15,236 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 18:22:15,236 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:15,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:15,237 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:15,237 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:15,302 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:22:15,302 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 [2021-11-25 18:22:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,317 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 [2021-11-25 18:22:15,355 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:22:15,355 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 [2021-11-25 18:22:15,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,368 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 [2021-11-25 18:22:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,387 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 [2021-11-25 18:22:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:22:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:22:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:22:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:22:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:22:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:22:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:22:15,948 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:22:15,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:22:15,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:22:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:22:16,073 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 [2021-11-25 18:22:16,079 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 [2021-11-25 18:22:16,084 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 [2021-11-25 18:22:16,131 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:22:16,132 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 55 treesize of output 58 [2021-11-25 18:22:16,167 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:22:16,167 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 53 treesize of output 56 [2021-11-25 18:22:16,201 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:22:16,202 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 47 treesize of output 50 [2021-11-25 18:22:16,256 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 [2021-11-25 18:22:16,261 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 [2021-11-25 18:22:16,267 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 [2021-11-25 18:22:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-25 18:22:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:22:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:22:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-25 18:22:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:22:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:22:24,008 WARN L227 SmtUtils]: Spent 7.22s 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) [2021-11-25 18:22:24,009 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:22:24,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:22:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,976 WARN L227 SmtUtils]: Spent 10.85s 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) [2021-11-25 18:22:34,977 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:22:34,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:22:35,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:35,744 INFO L244 Elim1Store]: Index analysis took 534 ms [2021-11-25 18:22:48,291 WARN L227 SmtUtils]: Spent 12.04s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:22:48,292 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:22:48,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:22:48,946 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-25 18:22:50,094 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:22:50,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-25 18:22:50,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 18:22:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:51,047 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:22:51,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:22:51,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:51,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:51,505 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:51,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:22:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:51,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:22:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:51,842 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:22:51,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:22:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:51,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:22:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:52,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:22:52,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:52,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:52,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:52,494 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:22:52,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 26 [2021-11-25 18:22:52,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:52,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:22:52,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:52,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:22:52,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:52,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,536 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 18:22:54,538 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 2804 treesize of output 2342 [2021-11-25 18:22:54,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:54,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,850 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 2704 treesize of output 2248 [2021-11-25 18:22:55,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:55,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:55,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:55,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:55,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,688 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-11-25 18:22:55,839 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:22:55,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2388 [2021-11-25 18:22:55,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:55,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:56,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:56,321 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-25 18:22:56,680 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 18:22:56,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2310 [2021-11-25 18:22:56,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:57,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:57,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,164 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 2804 treesize of output 2342 [2021-11-25 18:22:57,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:57,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,337 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 2704 treesize of output 2248 [2021-11-25 18:22:57,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:57,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:57,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:57,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:57,831 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:57,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 18:22:57,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:57,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:58,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 18:22:58,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:58,431 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 18:22:59,755 INFO L354 Elim1Store]: treesize reduction 903, result has 50.5 percent of original size [2021-11-25 18:22:59,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 3170 [2021-11-25 18:23:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:00,211 INFO L244 Elim1Store]: Index analysis took 214 ms [2021-11-25 18:23:01,832 INFO L354 Elim1Store]: treesize reduction 913, result has 51.3 percent of original size [2021-11-25 18:23:01,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3304 [2021-11-25 18:23:02,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:02,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:03,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:03,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:03,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:03,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,592 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-25 18:23:04,692 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:23:04,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2792 treesize of output 2560 [2021-11-25 18:23:04,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:23:05,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2466 [2021-11-25 18:23:05,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:23:05,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:05,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:05,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:23:05,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:05,879 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:05,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:05,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 18:23:06,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:06,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 18:23:06,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:07,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:07,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:07,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:07,554 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-25 18:23:07,990 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 18:23:07,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 18:23:08,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:08,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:08,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:08,859 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 18:23:08,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 18:23:09,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:09,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:09,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:23:09,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:09,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:09,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:09,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:09,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:23:09,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:09,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:10,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:10,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,592 INFO L244 Elim1Store]: Index analysis took 261 ms [2021-11-25 18:23:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,946 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-25 18:23:11,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4047 treesize of output 3585 [2021-11-25 18:23:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:12,349 INFO L244 Elim1Store]: Index analysis took 263 ms [2021-11-25 18:23:12,694 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:23:12,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 18:23:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:14,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:14,484 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-25 18:23:20,292 WARN L227 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 152 DAG size of output: 122 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:23:20,294 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:23:20,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 93131 treesize of output 94087 [2021-11-25 18:31:23,062 WARN L227 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 2070 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 18:31:43,099 WARN L227 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 1345 DAG size of output: 1345 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)