./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur --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 dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:40:45,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:40:45,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:40:45,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:40:45,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:40:45,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:40:45,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:40:45,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:40:45,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:40:45,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:40:45,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:40:45,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:40:45,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:40:45,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:40:45,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:40:45,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:40:45,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:40:45,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:40:45,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:40:45,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:40:45,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:40:45,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:40:45,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:40:45,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:40:45,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:40:45,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:40:45,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:40:45,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:40:45,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:40:45,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:40:45,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:40:45,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:40:45,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:40:45,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:40:45,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:40:45,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:40:45,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:40:45,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:40:45,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:40:45,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:40:45,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:40:45,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:40:45,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:40:45,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:40:45,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:40:45,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:40:45,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:40:45,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:40:45,136 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:40:45,137 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:40:45,137 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:40:45,137 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:40:45,137 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:40:45,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:40:45,138 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:40:45,138 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:40:45,138 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:40:45,139 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:40:45,139 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:40:45,139 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:40:45,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:40:45,140 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:40:45,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:40:45,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:40:45,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:40:45,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:40:45,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:40:45,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:40:45,142 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:40:45,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:40:45,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:40:45,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:40:45,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:40:45,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:40:45,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:40:45,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:40:45,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:40:45,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:40:45,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:40:45,145 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:40:45,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:40:45,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:40:45,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:40:45,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c [2022-11-25 22:40:45,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:40:45,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:40:45,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:40:45,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:40:45,494 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:40:45,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2022-11-25 22:40:48,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:40:49,094 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:40:49,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2022-11-25 22:40:49,112 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/data/271cf8766/9944d660b3d0476b872d250f9eab0f1a/FLAG884ad85cb [2022-11-25 22:40:49,127 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/data/271cf8766/9944d660b3d0476b872d250f9eab0f1a [2022-11-25 22:40:49,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:40:49,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:40:49,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:40:49,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:40:49,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:40:49,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:40:49" (1/1) ... [2022-11-25 22:40:49,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a0f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:49, skipping insertion in model container [2022-11-25 22:40:49,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:40:49" (1/1) ... [2022-11-25 22:40:49,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:40:49,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:40:49,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2022-11-25 22:40:49,875 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:40:49,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2022-11-25 22:40:49,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:40:49,910 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:40:49,966 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2022-11-25 22:40:50,016 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:40:50,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2022-11-25 22:40:50,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:40:50,071 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:40:50,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50 WrapperNode [2022-11-25 22:40:50,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:40:50,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:40:50,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:40:50,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:40:50,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,201 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-25 22:40:50,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:40:50,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:40:50,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:40:50,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:40:50,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:40:50,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:40:50,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:40:50,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:40:50,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (1/1) ... [2022-11-25 22:40:50,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:40:50,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:40:50,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:40:50,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:40:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:40:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:40:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:40:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:40:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:40:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:40:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:40:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:40:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:40:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:40:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:40:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:40:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:40:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:40:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:40:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:40:50,663 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:40:50,665 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:40:52,246 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:40:52,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:40:52,646 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-25 22:40:52,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:40:52 BoogieIcfgContainer [2022-11-25 22:40:52,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:40:52,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:40:52,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:40:52,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:40:52,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:40:49" (1/3) ... [2022-11-25 22:40:52,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210dfd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:40:52, skipping insertion in model container [2022-11-25 22:40:52,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:50" (2/3) ... [2022-11-25 22:40:52,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210dfd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:40:52, skipping insertion in model container [2022-11-25 22:40:52,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:40:52" (3/3) ... [2022-11-25 22:40:52,661 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-1.i [2022-11-25 22:40:52,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:40:52,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:40:52,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:40:52,754 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ac6832f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:40:52,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:40:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:40:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:40:52,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:52,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:40:52,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:40:52,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:52,777 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-25 22:40:52,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:52,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442719815] [2022-11-25 22:40:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:52,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:40:52,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:52,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442719815] [2022-11-25 22:40:52,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442719815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:52,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:52,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:40:52,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765186201] [2022-11-25 22:40:52,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:52,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:40:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:53,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:40:53,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:40:53,024 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:40:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:53,505 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-25 22:40:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:40:53,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 22:40:53,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:53,520 INFO L225 Difference]: With dead ends: 217 [2022-11-25 22:40:53,520 INFO L226 Difference]: Without dead ends: 107 [2022-11-25 22:40:53,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:40:53,527 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:53,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:40:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-25 22:40:53,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-25 22:40:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:40:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-25 22:40:53,574 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-25 22:40:53,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:53,574 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-25 22:40:53,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:40:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-25 22:40:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 22:40:53,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:53,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:40:53,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:40:53,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:40:53,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:53,578 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-25 22:40:53,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:53,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440867681] [2022-11-25 22:40:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:53,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:40:54,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:54,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440867681] [2022-11-25 22:40:54,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440867681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:54,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:54,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:40:54,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070387073] [2022-11-25 22:40:54,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:54,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:54,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:54,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:54,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:54,014 INFO L87 Difference]: Start difference. First operand 107 states and 132 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) [2022-11-25 22:40:56,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:56,388 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-25 22:40:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:56,393 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 [2022-11-25 22:40:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:56,395 INFO L225 Difference]: With dead ends: 222 [2022-11-25 22:40:56,395 INFO L226 Difference]: Without dead ends: 168 [2022-11-25 22:40:56,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:56,398 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:56,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 22:40:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-25 22:40:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-25 22:40:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:40:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-25 22:40:56,415 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-25 22:40:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:56,416 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-25 22:40:56,416 INFO L496 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) [2022-11-25 22:40:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-25 22:40:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 22:40:56,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:56,418 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:40:56,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:40:56,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:40:56,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:56,420 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-25 22:40:56,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:56,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643492763] [2022-11-25 22:40:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:56,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:56,595 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:40:56,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663470298] [2022-11-25 22:40:56,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:56,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:40:56,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:40:56,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:40:56,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:40:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:57,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:40:57,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:40:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:40:57,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:40:57,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:57,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643492763] [2022-11-25 22:40:57,531 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:40:57,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663470298] [2022-11-25 22:40:57,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663470298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:57,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:57,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:40:57,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351493523] [2022-11-25 22:40:57,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:57,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:40:57,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:57,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:40:57,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:40:57,534 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:40:58,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:58,255 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-25 22:40:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:40:58,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2022-11-25 22:40:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:58,262 INFO L225 Difference]: With dead ends: 260 [2022-11-25 22:40:58,262 INFO L226 Difference]: Without dead ends: 154 [2022-11-25 22:40:58,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:40:58,264 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:58,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:40:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-25 22:40:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-25 22:40:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:40:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-25 22:40:58,283 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-25 22:40:58,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:58,284 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-25 22:40:58,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:40:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-25 22:40:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 22:40:58,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:58,287 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:40:58,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:40:58,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:40:58,497 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:40:58,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-25 22:40:58,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:58,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012551096] [2022-11-25 22:40:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:58,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:58,584 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:40:58,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2022979384] [2022-11-25 22:40:58,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:58,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:40:58,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:40:58,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:40:58,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:40:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:59,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:40:59,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:40:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:40:59,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:40:59,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:59,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012551096] [2022-11-25 22:40:59,281 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:40:59,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022979384] [2022-11-25 22:40:59,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022979384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:59,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:59,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:59,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996869936] [2022-11-25 22:40:59,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:59,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:59,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:59,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:59,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:59,288 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:40:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:59,887 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-25 22:40:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:59,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 22:40:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:59,890 INFO L225 Difference]: With dead ends: 258 [2022-11-25 22:40:59,890 INFO L226 Difference]: Without dead ends: 122 [2022-11-25 22:40:59,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:59,892 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:59,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:40:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-25 22:40:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-25 22:40:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:40:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-25 22:40:59,906 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-25 22:40:59,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:59,906 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-25 22:40:59,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:40:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-25 22:40:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 22:40:59,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:59,909 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:40:59,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:41:00,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:41:00,118 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:41:00,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:00,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-25 22:41:00,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:00,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590422219] [2022-11-25 22:41:00,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:00,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:00,203 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:41:00,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217943910] [2022-11-25 22:41:00,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:00,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:41:00,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:41:00,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:41:00,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:41:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:26,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:41:26,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:41:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:41:26,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:41:26,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:26,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590422219] [2022-11-25 22:41:26,547 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:41:26,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217943910] [2022-11-25 22:41:26,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217943910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:26,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:26,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:26,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531948317] [2022-11-25 22:41:26,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:26,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:26,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:26,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:26,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:26,551 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:41:30,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:30,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:30,575 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-25 22:41:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:30,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-25 22:41:30,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:30,585 INFO L225 Difference]: With dead ends: 227 [2022-11-25 22:41:30,585 INFO L226 Difference]: Without dead ends: 124 [2022-11-25 22:41:30,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:30,587 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:30,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 22:41:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-25 22:41:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-25 22:41:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-25 22:41:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-25 22:41:30,602 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-25 22:41:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:30,602 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-25 22:41:30,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:41:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-25 22:41:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:41:30,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:30,605 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:30,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:41:30,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:41:30,831 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:41:30,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-25 22:41:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:30,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253659430] [2022-11-25 22:41:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:30,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:30,895 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:41:30,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70455834] [2022-11-25 22:41:30,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:30,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:41:30,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:41:30,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:41:30,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20753eef-4a7c-4146-b46e-f907ddb6aa89/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:42:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:02,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 22:42:02,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:42:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:42:02,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:42:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:42:02,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253659430] [2022-11-25 22:42:02,726 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:42:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70455834] [2022-11-25 22:42:02,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70455834] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:42:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [816890102] [2022-11-25 22:42:02,765 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 22:42:02,765 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:42:02,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:42:02,776 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:42:02,776 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:42:02,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:42:02,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:42:02,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:02,959 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:42:02,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-25 22:42:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:02,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 22:42:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:02,999 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:42:03,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 22:42:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,102 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:42:03,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 22:42:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:42:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:42:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-25 22:42:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 22:42:03,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:42:03,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:42:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 22:42:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-25 22:42:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-25 22:42:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:03,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:42:03,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:42:03,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:42:03,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:42:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:42:04,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:42:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,145 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:42:04,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 22:42:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,237 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:42:04,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 22:42:04,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:42:04,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:42:04,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:42:04,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:42:04,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-25 22:42:04,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:42:04,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:42:04,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:42:04,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:42:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:42:04,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:42:04,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:42:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:04,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:42:04,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:42:04,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:42:06,176 INFO L217 Elim1Store]: Index analysis took 769 ms [2022-11-25 22:42:09,862 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-25 22:42:09,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 22:42:12,366 INFO L217 Elim1Store]: Index analysis took 2325 ms [2022-11-25 22:42:14,623 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-25 22:42:14,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-25 22:42:24,909 WARN L233 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:42:24,909 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:42:24,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-25 22:42:25,106 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-25 22:42:44,935 WARN L233 SmtUtils]: Spent 19.83s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:42:44,936 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:42:44,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-25 22:42:45,844 INFO L217 Elim1Store]: Index analysis took 655 ms [2022-11-25 22:43:01,399 WARN L233 SmtUtils]: Spent 15.04s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:43:01,405 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 22:43:01,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-25 22:43:02,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:43:02,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:43:02,717 INFO L217 Elim1Store]: Index analysis took 338 ms [2022-11-25 22:43:02,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-11-25 22:43:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:02,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:43:02,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 22:43:03,001 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:43:05,428 INFO L217 Elim1Store]: Index analysis took 1725 ms [2022-11-25 22:43:06,179 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:43:06,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-25 22:43:06,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-25 22:43:07,335 INFO L217 Elim1Store]: Index analysis took 898 ms [2022-11-25 22:43:08,066 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:43:08,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-25 22:43:08,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:43:08,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 22:43:08,450 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:43:09,849 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:43:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:14,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:43:14,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:43:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:14,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 22:43:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:14,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:43:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:15,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:43:15,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:43:15,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:43:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:20,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:43:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:20,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:43:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:23,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:43:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:23,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:23,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20