./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V --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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:57:33,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:57:33,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:57:34,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:57:34,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:57:34,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:57:34,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:57:34,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:57:34,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:57:34,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:57:34,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:57:34,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:57:34,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:57:34,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:57:34,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:57:34,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:57:34,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:57:34,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:57:34,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:57:34,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:57:34,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:57:34,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:57:34,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:57:34,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:57:34,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:57:34,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:57:34,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:57:34,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:57:34,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:57:34,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:57:34,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:57:34,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:57:34,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:57:34,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:57:34,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:57:34,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:57:34,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:57:34,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:57:34,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:57:34,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:57:34,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:57:34,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:57:34,232 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:57:34,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:57:34,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:57:34,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:57:34,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:57:34,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:57:34,235 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:57:34,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:57:34,236 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:57:34,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:57:34,237 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:57:34,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:57:34,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:57:34,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:57:34,239 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:57:34,239 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:57:34,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:57:34,240 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:57:34,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:57:34,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:57:34,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:57:34,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:57:34,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:57:34,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:57:34,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:57:34,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:57:34,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:57:34,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:57:34,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:57:34,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:57:34,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:57:34,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:57:34,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:57:34,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:57:34,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:57:34,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:57:34,248 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:57:34,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:57:34,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:57:34,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:57:34,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:57:34,249 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_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2021-11-23 02:57:34,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:57:34,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:57:34,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:57:34,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:57:34,575 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:57:34,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-23 02:57:34,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/data/8a26f0261/2df5994b489a4cf485179ffbecfefe17/FLAG6c4a85d5e [2021-11-23 02:57:35,549 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:57:35,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-23 02:57:35,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/data/8a26f0261/2df5994b489a4cf485179ffbecfefe17/FLAG6c4a85d5e [2021-11-23 02:57:35,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/data/8a26f0261/2df5994b489a4cf485179ffbecfefe17 [2021-11-23 02:57:35,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:57:35,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:57:35,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:57:35,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:57:35,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:57:35,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:35" (1/1) ... [2021-11-23 02:57:35,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc17147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:35, skipping insertion in model container [2021-11-23 02:57:35,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:35" (1/1) ... [2021-11-23 02:57:35,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:57:35,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:57:36,241 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_0c330e61-0d1e-45e9-b4a9-c22dc7153674/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-23 02:57:36,362 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_0c330e61-0d1e-45e9-b4a9-c22dc7153674/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-23 02:57:36,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:57:36,418 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:57:36,462 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_0c330e61-0d1e-45e9-b4a9-c22dc7153674/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-23 02:57:36,552 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_0c330e61-0d1e-45e9-b4a9-c22dc7153674/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-23 02:57:36,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:57:36,640 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:57:36,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36 WrapperNode [2021-11-23 02:57:36,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:57:36,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:57:36,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:57:36,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:57:36,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,819 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-23 02:57:36,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:57:36,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:57:36,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:57:36,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:57:36,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:36,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:57:36,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:57:36,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:57:36,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:57:36,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (1/1) ... [2021-11-23 02:57:37,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:57:37,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:57:37,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:57:37,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:57:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:57:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:57:37,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:57:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:57:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:57:37,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:57:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 02:57:37,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 02:57:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:57:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:57:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:57:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:57:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:57:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:57:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:57:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:57:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:57:37,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:57:37,429 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:57:37,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:57:38,876 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:57:39,440 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:57:39,440 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-23 02:57:39,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:39 BoogieIcfgContainer [2021-11-23 02:57:39,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:57:39,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:57:39,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:57:39,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:57:39,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:57:35" (1/3) ... [2021-11-23 02:57:39,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a72e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:57:39, skipping insertion in model container [2021-11-23 02:57:39,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:36" (2/3) ... [2021-11-23 02:57:39,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a72e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:57:39, skipping insertion in model container [2021-11-23 02:57:39,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:39" (3/3) ... [2021-11-23 02:57:39,455 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-2.i [2021-11-23 02:57:39,463 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:57:39,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 02:57:39,531 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:57:39,541 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 [2021-11-23 02:57:39,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 02:57:39,579 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) [2021-11-23 02:57:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 02:57:39,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:39,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:57:39,589 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:57:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:39,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-23 02:57:39,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:39,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331186787] [2021-11-23 02:57:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:39,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:57:39,808 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:39,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331186787] [2021-11-23 02:57:39,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331186787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:39,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:57:39,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:57:39,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596711599] [2021-11-23 02:57:39,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:39,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:57:39,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:39,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:57:39,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:57:39,863 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) [2021-11-23 02:57:41,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:57:41,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:41,997 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-23 02:57:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:57:42,000 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 [2021-11-23 02:57:42,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:42,027 INFO L225 Difference]: With dead ends: 323 [2021-11-23 02:57:42,027 INFO L226 Difference]: Without dead ends: 146 [2021-11-23 02:57:42,039 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 [2021-11-23 02:57:42,047 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:42,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 02:57:42,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-23 02:57:42,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-23 02:57:42,146 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) [2021-11-23 02:57:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-23 02:57:42,153 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-23 02:57:42,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:42,154 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-23 02:57:42,155 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) [2021-11-23 02:57:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-23 02:57:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:57:42,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:42,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:57:42,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:57:42,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:57:42,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-23 02:57:42,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:42,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795124260] [2021-11-23 02:57:42,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:42,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:57:42,293 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:42,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795124260] [2021-11-23 02:57:42,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795124260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:42,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:57:42,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:57:42,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717745868] [2021-11-23 02:57:42,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:42,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:57:42,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:42,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:57:42,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:57:42,312 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) [2021-11-23 02:57:44,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:44,055 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-23 02:57:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:57:44,055 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 [2021-11-23 02:57:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:44,059 INFO L225 Difference]: With dead ends: 293 [2021-11-23 02:57:44,059 INFO L226 Difference]: Without dead ends: 202 [2021-11-23 02:57:44,061 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 [2021-11-23 02:57:44,062 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:44,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:57:44,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-23 02:57:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-23 02:57:44,086 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) [2021-11-23 02:57:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-23 02:57:44,089 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-23 02:57:44,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:44,090 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-23 02:57:44,090 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) [2021-11-23 02:57:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-23 02:57:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 02:57:44,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:44,093 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] [2021-11-23 02:57:44,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:57:44,093 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:57:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-23 02:57:44,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:44,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190919345] [2021-11-23 02:57:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:44,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:44,151 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:57:44,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121586814] [2021-11-23 02:57:44,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:44,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:57:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:57:44,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:57:44,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:57:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:44,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:57:44,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:57:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:57:44,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:57:44,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:44,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190919345] [2021-11-23 02:57:44,712 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:57:44,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121586814] [2021-11-23 02:57:44,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121586814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:44,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:57:44,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:57:44,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631565566] [2021-11-23 02:57:44,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:44,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:57:44,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:44,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:57:44,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:57:44,719 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) [2021-11-23 02:57:45,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:45,978 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-23 02:57:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:57:45,979 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 [2021-11-23 02:57:45,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:45,981 INFO L225 Difference]: With dead ends: 341 [2021-11-23 02:57:45,981 INFO L226 Difference]: Without dead ends: 196 [2021-11-23 02:57:45,983 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 [2021-11-23 02:57:45,984 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:45,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:57:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-23 02:57:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-23 02:57:46,004 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) [2021-11-23 02:57:46,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-23 02:57:46,006 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-23 02:57:46,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:46,007 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-23 02:57:46,007 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) [2021-11-23 02:57:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-23 02:57:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 02:57:46,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:46,010 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] [2021-11-23 02:57:46,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:57:46,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:57:46,232 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:57:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:46,233 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-23 02:57:46,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:46,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359014331] [2021-11-23 02:57:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:46,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:46,258 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:57:46,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024493397] [2021-11-23 02:57:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:46,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:57:46,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:57:46,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:57:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:57:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:47,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:57:47,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:57:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:57:47,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:57:47,577 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:47,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359014331] [2021-11-23 02:57:47,577 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:57:47,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024493397] [2021-11-23 02:57:47,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024493397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:47,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:57:47,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:57:47,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609192176] [2021-11-23 02:57:47,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:47,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:57:47,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:47,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:57:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:57:47,589 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), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:57:48,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:48,369 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-23 02:57:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:57:48,377 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), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2021-11-23 02:57:48,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:48,379 INFO L225 Difference]: With dead ends: 372 [2021-11-23 02:57:48,380 INFO L226 Difference]: Without dead ends: 195 [2021-11-23 02:57:48,381 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 [2021-11-23 02:57:48,382 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:48,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 02:57:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-23 02:57:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-23 02:57:48,417 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) [2021-11-23 02:57:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-23 02:57:48,426 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-23 02:57:48,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:48,426 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-23 02:57:48,427 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), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:57:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-23 02:57:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 02:57:48,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:48,434 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] [2021-11-23 02:57:48,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:57:48,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:57:48,641 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:57:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:48,641 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-23 02:57:48,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763367559] [2021-11-23 02:57:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:48,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:48,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:57:48,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725271031] [2021-11-23 02:57:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:48,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:57:48,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:57:48,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:57:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c330e61-0d1e-45e9-b4a9-c22dc7153674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:57:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:49,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 02:57:49,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:57:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:57:49,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:57:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:57:49,967 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:49,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763367559] [2021-11-23 02:57:49,967 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:57:49,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725271031] [2021-11-23 02:57:49,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725271031] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:57:49,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1866827086] [2021-11-23 02:57:49,999 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-23 02:57:50,000 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:57:50,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:57:50,016 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:57:50,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:57:50,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 02:57:50,198 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 [2021-11-23 02:57:50,206 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 [2021-11-23 02:57:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,229 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:57:50,229 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 [2021-11-23 02:57:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,270 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:57:50,271 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 [2021-11-23 02:57:50,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,369 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:57:50,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-23 02:57:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,415 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 [2021-11-23 02:57:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,436 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 [2021-11-23 02:57:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,488 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:57:50,489 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 [2021-11-23 02:57:50,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:50,591 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:57:50,591 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 [2021-11-23 02:57:51,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,048 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 [2021-11-23 02:57:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,074 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 [2021-11-23 02:57:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,110 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 89 treesize of output 77 [2021-11-23 02:57:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,141 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 60 treesize of output 74 [2021-11-23 02:57:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,194 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 [2021-11-23 02:57:51,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,222 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 [2021-11-23 02:57:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-23 02:57:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,347 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 [2021-11-23 02:57:51,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,383 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 [2021-11-23 02:57:51,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,444 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 110 treesize of output 115 [2021-11-23 02:57:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,580 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 02:57:51,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 163 [2021-11-23 02:57:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:51,666 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:57:51,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 145 treesize of output 156 [2021-11-23 02:57:51,822 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 [2021-11-23 02:57:51,828 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 [2021-11-23 02:57:51,834 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 [2021-11-23 02:57:51,890 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 02:57:51,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-23 02:57:51,929 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 02:57:51,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-23 02:57:51,958 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 02:57:51,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-23 02:57:51,985 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 [2021-11-23 02:57:51,991 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 [2021-11-23 02:57:51,999 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 [2021-11-23 02:57:52,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,074 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 [2021-11-23 02:57:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,099 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 [2021-11-23 02:57:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,135 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 [2021-11-23 02:57:52,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,301 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 [2021-11-23 02:57:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,333 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 [2021-11-23 02:57:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:57:52,395 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 [2021-11-23 02:58:00,454 WARN L227 SmtUtils]: Spent 7.93s 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) [2021-11-23 02:58:00,455 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:58:00,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2863 treesize of output 2340 [2021-11-23 02:58:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:13,362 WARN L227 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:58:13,363 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:58:13,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2964 treesize of output 2682 [2021-11-23 02:58:28,452 WARN L227 SmtUtils]: Spent 14.88s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:58:28,454 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 02:58:28,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2932 treesize of output 2702 [2021-11-23 02:58:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:30,889 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 02:58:30,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25970 treesize of output 26001 [2021-11-23 02:58:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:31,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:31,943 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:58:31,944 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 9 case distinctions, treesize of input 25980 treesize of output 25994 [2021-11-23 02:58:32,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:33,238 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 02:58:33,238 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 38 treesize of output 20 [2021-11-23 02:58:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:33,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:58:33,804 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 51 treesize of output 61 [2021-11-23 02:58:34,736 INFO L244 Elim1Store]: Index analysis took 542 ms [2021-11-23 02:58:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:39,239 INFO L354 Elim1Store]: treesize reduction 9002, result has 44.8 percent of original size [2021-11-23 02:58:39,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 17612 treesize of output 22536 [2021-11-23 02:58:39,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:40,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:40,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:40,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:41,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:41,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:42,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:42,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:42,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:42,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:42,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:42,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:42,872 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-23 02:58:42,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 16309 treesize of output 13843 [2021-11-23 02:58:43,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:44,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:44,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:44,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:44,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:44,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:45,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:45,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:45,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:45,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:45,139 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-23 02:58:45,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 16330 treesize of output 13846 [2021-11-23 02:58:45,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:46,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:46,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:46,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:46,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:47,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:47,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:47,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:47,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:47,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:47,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:47,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:48,234 INFO L244 Elim1Store]: Index analysis took 312 ms [2021-11-23 02:58:48,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 16330 treesize of output 13846 [2021-11-23 02:58:48,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:52,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:52,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:52,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:52,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:52,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:52,593 INFO L244 Elim1Store]: Index analysis took 361 ms [2021-11-23 02:58:52,613 INFO L354 Elim1Store]: treesize reduction 917, result has 0.1 percent of original size [2021-11-23 02:58:52,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 16386 treesize of output 13846 [2021-11-23 02:58:53,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:53,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:53,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:53,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:54,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:54,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:54,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:54,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:56,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:56,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:56,277 INFO L244 Elim1Store]: Index analysis took 231 ms [2021-11-23 02:58:56,279 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 16472 treesize of output 13843 [2021-11-23 02:58:56,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:58:57,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:57,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:57,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:58:57,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:58:57,508 INFO L244 Elim1Store]: Index analysis took 414 ms [2021-11-23 02:58:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:00,286 INFO L354 Elim1Store]: treesize reduction 3590, result has 44.8 percent of original size [2021-11-23 02:59:00,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 16481 treesize of output 16758 [2021-11-23 02:59:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:01,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:01,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:01,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:01,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:01,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:01,980 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-23 02:59:01,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 16404 treesize of output 13843 [2021-11-23 02:59:03,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:03,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:03,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:03,973 INFO L244 Elim1Store]: Index analysis took 238 ms [2021-11-23 02:59:03,976 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 16472 treesize of output 13843 [2021-11-23 02:59:04,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:04,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:04,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:06,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:06,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:06,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:06,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:06,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:06,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:06,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:07,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:07,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:07,347 INFO L244 Elim1Store]: Index analysis took 570 ms [2021-11-23 02:59:07,367 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 02:59:07,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 16584 treesize of output 13940 [2021-11-23 02:59:08,761 INFO L244 Elim1Store]: Index analysis took 697 ms [2021-11-23 02:59:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:15,872 WARN L227 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 147 DAG size of output: 121 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:59:15,873 INFO L354 Elim1Store]: treesize reduction 5476, result has 39.1 percent of original size [2021-11-23 02:59:15,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 16593 treesize of output 17451 [2021-11-23 02:59:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:21,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:21,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:21,599 INFO L244 Elim1Store]: Index analysis took 303 ms [2021-11-23 02:59:21,619 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:59:21,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 16516 treesize of output 13940 [2021-11-23 02:59:23,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:23,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:23,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:23,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:23,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:23,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:23,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:23,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:24,121 INFO L244 Elim1Store]: Index analysis took 316 ms [2021-11-23 02:59:24,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 16584 treesize of output 13940 [2021-11-23 02:59:24,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:25,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:25,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:25,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:25,595 INFO L244 Elim1Store]: Index analysis took 423 ms [2021-11-23 02:59:25,849 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-23 02:59:25,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 16584 treesize of output 13956 [2021-11-23 02:59:26,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:26,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:27,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:27,426 INFO L244 Elim1Store]: Index analysis took 439 ms [2021-11-23 02:59:27,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 16584 treesize of output 13940 [2021-11-23 02:59:30,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:30,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:31,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:31,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:31,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:32,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:32,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:32,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:33,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:33,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:33,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:33,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:33,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:33,301 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-23 02:59:33,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 16495 treesize of output 13843 [2021-11-23 02:59:34,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:34,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:34,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,342 INFO L244 Elim1Store]: Index analysis took 590 ms [2021-11-23 02:59:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:34,568 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:59:34,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 16572 treesize of output 13940 [2021-11-23 02:59:55,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:55,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:55,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:55,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:55,275 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 55 treesize of output 39 [2021-11-23 02:59:55,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:55,641 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:59:55,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-23 02:59:55,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:55,865 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 02:59:55,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-23 02:59:56,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:56,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:59:56,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:59:56,066 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 79 treesize of output 57 [2021-11-23 02:59:56,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:59:56,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:00:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:00:11,769 INFO L354 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2021-11-23 03:00:11,770 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 1712774 treesize of output 1691167 [2021-11-23 03:01:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver