./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/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 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:18:43,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:18:43,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:18:43,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:18:43,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:18:43,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:18:44,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:18:44,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:18:44,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:18:44,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:18:44,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:18:44,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:18:44,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:18:44,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:18:44,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:18:44,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:18:44,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:18:44,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:18:44,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:18:44,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:18:44,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:18:44,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:18:44,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:18:44,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:18:44,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:18:44,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:18:44,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:18:44,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:18:44,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:18:44,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:18:44,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:18:44,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:18:44,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:18:44,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:18:44,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:18:44,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:18:44,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:18:44,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:18:44,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:18:44,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:18:44,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:18:44,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:18:44,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:18:44,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:18:44,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:18:44,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:18:44,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:18:44,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:18:44,136 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:18:44,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:18:44,137 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:18:44,137 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:18:44,138 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:18:44,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:18:44,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:18:44,139 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:18:44,139 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:18:44,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:18:44,140 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:18:44,140 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:18:44,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:18:44,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:18:44,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:18:44,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:18:44,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:18:44,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:18:44,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:18:44,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:18:44,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:18:44,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:18:44,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:18:44,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:18:44,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:18:44,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:18:44,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:18:44,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:18:44,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:18:44,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:18:44,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:18:44,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:18:44,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:18:44,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:18:44,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:18:44,149 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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2021-11-25 19:18:44,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:18:44,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:18:44,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:18:44,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:18:44,471 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:18:44,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-25 19:18:44,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/data/5eca45d2b/dcabbfd51a5f4190837c5afe96d9e6fe/FLAG0d0829bb3 [2021-11-25 19:18:45,174 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:18:45,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-25 19:18:45,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/data/5eca45d2b/dcabbfd51a5f4190837c5afe96d9e6fe/FLAG0d0829bb3 [2021-11-25 19:18:45,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/data/5eca45d2b/dcabbfd51a5f4190837c5afe96d9e6fe [2021-11-25 19:18:45,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:18:45,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:18:45,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:18:45,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:18:45,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:18:45,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:18:45" (1/1) ... [2021-11-25 19:18:45,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfa7a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:45, skipping insertion in model container [2021-11-25 19:18:45,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:18:45" (1/1) ... [2021-11-25 19:18:45,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:18:45,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:18:45,861 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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-25 19:18:46,033 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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-25 19:18:46,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:18:46,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:18:46,133 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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-25 19:18:46,219 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_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-25 19:18:46,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:18:46,288 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:18:46,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46 WrapperNode [2021-11-25 19:18:46,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:18:46,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:18:46,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:18:46,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:18:46,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,416 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 19:18:46,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:18:46,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:18:46,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:18:46,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:18:46,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:18:46,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:18:46,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:18:46,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:18:46,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (1/1) ... [2021-11-25 19:18:46,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:18:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:18:46,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:18:46,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:18:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:18:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:18:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:18:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:18:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:18:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:18:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 19:18:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 19:18:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:18:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:18:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:18:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:18:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:18:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:18:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:18:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:18:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:18:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:18:47,026 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:18:47,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:18:48,110 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:18:48,571 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:18:48,572 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 19:18:48,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:18:48 BoogieIcfgContainer [2021-11-25 19:18:48,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:18:48,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:18:48,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:18:48,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:18:48,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:18:45" (1/3) ... [2021-11-25 19:18:48,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce5edcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:18:48, skipping insertion in model container [2021-11-25 19:18:48,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:46" (2/3) ... [2021-11-25 19:18:48,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce5edcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:18:48, skipping insertion in model container [2021-11-25 19:18:48,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:18:48" (3/3) ... [2021-11-25 19:18:48,586 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-2.i [2021-11-25 19:18:48,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:18:48,595 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:18:48,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:18:48,655 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 19:18:48,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:18:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:18:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:18:48,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:18:48,683 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:18:48,683 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:18:48,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:18:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-25 19:18:48,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:18:48,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475173531] [2021-11-25 19:18:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:48,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:18:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:18:48,853 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 19:18:48,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:18:48,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475173531] [2021-11-25 19:18:48,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475173531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:18:48,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:18:48,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:18:48,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713189854] [2021-11-25 19:18:48,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:18:48,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:18:48,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:18:48,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:18:48,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:18:48,942 INFO L87 Difference]: Start difference. First operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:50,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:18:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:18:50,524 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-25 19:18:50,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:18:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:18:50,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:18:50,538 INFO L225 Difference]: With dead ends: 323 [2021-11-25 19:18:50,538 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 19:18:50,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:18:50,546 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:18:50,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:18:50,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 19:18:50,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 19:18:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:18:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 19:18:50,609 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 19:18:50,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:18:50,610 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 19:18:50,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 19:18:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:18:50,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:18:50,612 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] [2021-11-25 19:18:50,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:18:50,613 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:18:50,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:18:50,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-25 19:18:50,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:18:50,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452746479] [2021-11-25 19:18:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:50,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:18:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:18:50,741 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 19:18:50,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:18:50,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452746479] [2021-11-25 19:18:50,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452746479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:18:50,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:18:50,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:18:50,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536878611] [2021-11-25 19:18:50,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:18:50,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:18:50,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:18:50,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:18:50,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:18:50,754 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:18:52,083 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 19:18:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:18:52,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 19:18:52,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:18:52,090 INFO L225 Difference]: With dead ends: 293 [2021-11-25 19:18:52,090 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 19:18:52,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:18:52,093 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:18:52,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:18:52,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 19:18:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 19:18:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:18:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 19:18:52,120 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 19:18:52,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:18:52,121 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 19:18:52,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 19:18:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:18:52,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:18:52,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:18:52,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:18:52,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:18:52,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:18:52,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-25 19:18:52,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:18:52,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680511040] [2021-11-25 19:18:52,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:52,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:18:52,280 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:18:52,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088663720] [2021-11-25 19:18:52,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:52,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:18:52,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:18:52,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:18:52,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:18:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:18:53,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:18:53,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:18:53,316 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 19:18:53,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:18:53,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:18:53,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680511040] [2021-11-25 19:18:53,317 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:18:53,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088663720] [2021-11-25 19:18:53,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088663720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:18:53,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:18:53,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:18:53,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824395080] [2021-11-25 19:18:53,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:18:53,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:18:53,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:18:53,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:18:53,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:18:53,329 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:18:54,225 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 19:18:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:18:54,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 19:18:54,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:18:54,228 INFO L225 Difference]: With dead ends: 341 [2021-11-25 19:18:54,228 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 19:18:54,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 19:18:54,231 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:18:54,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:18:54,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 19:18:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 19:18:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 19:18:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 19:18:54,300 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 19:18:54,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:18:54,301 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 19:18:54,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 19:18:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:18:54,303 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:18:54,304 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 19:18:54,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:18:54,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:18:54,527 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:18:54,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:18:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-25 19:18:54,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:18:54,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40172003] [2021-11-25 19:18:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:54,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:18:54,587 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:18:54,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [905821272] [2021-11-25 19:18:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:54,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:18:54,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:18:54,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:18:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:18:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:18:55,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:18:55,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:18:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:18:55,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:18:55,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:18:55,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40172003] [2021-11-25 19:18:55,724 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:18:55,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905821272] [2021-11-25 19:18:55,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905821272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:18:55,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:18:55,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:18:55,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203713195] [2021-11-25 19:18:55,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:18:55,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:18:55,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:18:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:18:55,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:18:55,727 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:18:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:18:57,328 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 19:18:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:18:57,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 19:18:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:18:57,337 INFO L225 Difference]: With dead ends: 372 [2021-11-25 19:18:57,337 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 19:18:57,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:18:57,339 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:18:57,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:18:57,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 19:18:57,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 19:18:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 19:18:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 19:18:57,360 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 19:18:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:18:57,360 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 19:18:57,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:18:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 19:18:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 19:18:57,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:18:57,363 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:18:57,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:18:57,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:18:57,591 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:18:57,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:18:57,591 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-25 19:18:57,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:18:57,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988354156] [2021-11-25 19:18:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:57,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:18:57,666 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:18:57,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498704805] [2021-11-25 19:18:57,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:57,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:18:57,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:18:57,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:18:57,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640a0efa-c9bd-41c3-a40f-5d152fc0f64f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:18:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:18:59,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:18:59,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:18:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:18:59,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:18:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:18:59,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:18:59,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988354156] [2021-11-25 19:18:59,536 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:18:59,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498704805] [2021-11-25 19:18:59,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498704805] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:18:59,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [642928376] [2021-11-25 19:18:59,563 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 19:18:59,564 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:18:59,569 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:18:59,576 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:18:59,577 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:18:59,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:18:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,712 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:18:59,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 19:18:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,743 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:18:59,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 19:18:59,756 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 15 treesize of output 1 [2021-11-25 19:18:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,766 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 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:18:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,824 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 19:18:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,865 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:18:59,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:18:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,916 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:18:59,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 19:18:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,939 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 19:18:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:18:59,966 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 52 treesize of output 49 [2021-11-25 19:19:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 19:19:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,399 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 74 treesize of output 76 [2021-11-25 19:19:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,429 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 19:19:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,450 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 19:19:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,489 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 19:19:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:19:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:19:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,586 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 19:19:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:19:00,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,675 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 19:19:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,705 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 19:19:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,793 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:19:00,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 19:19:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:00,816 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 33 treesize of output 44 [2021-11-25 19:19:00,985 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 19:19:00,990 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 19:19:00,996 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 19:19:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:19:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:19:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:19:01,070 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 19:19:01,075 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 19:19:01,082 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 19:19:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:19:01,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,174 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 19:19:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,207 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 19:19:01,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:19:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,361 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 19:19:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:01,384 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 19:19:09,358 WARN L227 SmtUtils]: Spent 7.81s 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 19:19:09,359 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:19:09,359 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 19:19:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:22,813 WARN L227 SmtUtils]: Spent 13.32s 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 19:19:22,814 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:19:22,815 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 19:19:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:23,327 INFO L244 Elim1Store]: Index analysis took 306 ms [2021-11-25 19:19:35,612 WARN L227 SmtUtils]: Spent 12.00s 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 19:19:35,613 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:19:35,613 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 19:19:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:36,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:36,446 INFO L244 Elim1Store]: Index analysis took 284 ms [2021-11-25 19:19:37,278 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:19:37,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:19:37,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:37,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:37,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:37,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:37,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:19:38,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:38,258 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:19:38,258 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 19:19:38,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:38,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:19:38,702 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 19:19:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:38,930 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:19:38,930 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 46 treesize of output 30 [2021-11-25 19:19:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:39,035 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 46 treesize of output 30 [2021-11-25 19:19:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:39,128 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 19:19:39,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:39,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:39,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:39,532 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:19:39,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 19:19:39,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:39,726 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 19:19:40,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:40,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:41,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:19:41,862 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 19:19:41,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:41,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,137 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:19:42,137 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 19:19:42,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:42,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,555 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 19:19:42,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,683 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 19:19:42,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:42,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:42,991 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 19:19:43,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:43,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:43,098 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 19:19:43,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:43,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:44,619 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 19:19:44,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:44,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:44,825 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 19:19:44,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,125 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-25 19:19:45,146 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 19:19:45,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 2342 [2021-11-25 19:19:45,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:45,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:45,502 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-25 19:19:45,618 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 19:19:45,619 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 2264 [2021-11-25 19:19:45,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:45,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:45,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:45,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:46,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:46,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:46,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,246 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-25 19:19:46,259 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 19:19:46,259 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 2342 [2021-11-25 19:19:46,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:46,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:46,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,589 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 19:19:46,589 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 2248 [2021-11-25 19:19:46,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:46,901 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 19:19:48,007 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 19:19:48,008 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 2887 [2021-11-25 19:19:48,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:48,439 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-11-25 19:19:50,668 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 19:19:50,669 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 3032 [2021-11-25 19:19:50,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:51,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:51,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:51,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:51,962 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 19:19:51,963 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 19:19:52,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:52,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:52,637 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 19:19:52,638 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 19:19:53,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:53,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:53,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:53,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:53,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:53,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:53,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:53,726 INFO L244 Elim1Store]: Index analysis took 219 ms [2021-11-25 19:19:53,729 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 19:19:53,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,099 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-25 19:19:54,101 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 19:19:54,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:54,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:54,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,785 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 19:19:54,787 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 19:19:54,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:19:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:54,970 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 19:19:55,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:55,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:19:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:56,918 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-25 19:19:57,138 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:19:57,138 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 19:19:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:58,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:58,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:19:58,476 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-25 19:20:02,670 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:20:02,671 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 78023 treesize of output 79003