./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:36:33,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:36:33,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:36:34,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:36:34,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:36:34,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:36:34,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:36:34,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:36:34,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:36:34,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:36:34,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:36:34,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:36:34,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:36:34,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:36:34,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:36:34,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:36:34,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:36:34,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:36:34,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:36:34,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:36:34,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:36:34,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:36:34,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:36:34,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:36:34,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:36:34,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:36:34,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:36:34,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:36:34,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:36:34,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:36:34,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:36:34,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:36:34,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:36:34,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:36:34,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:36:34,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:36:34,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:36:34,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:36:34,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:36:34,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:36:34,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:36:34,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:36:34,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:36:34,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:36:34,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:36:34,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:36:34,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:36:34,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:36:34,152 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:36:34,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:36:34,152 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:36:34,152 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:36:34,153 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:36:34,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:36:34,153 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:36:34,153 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:36:34,154 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:36:34,154 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:36:34,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:36:34,154 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:36:34,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:36:34,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:36:34,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:36:34,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:36:34,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:36:34,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:36:34,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:36:34,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:36:34,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:36:34,157 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:36:34,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:36:34,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:36:34,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:36:34,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:36:34,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:36:34,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:36:34,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:36:34,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:36:34,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:36:34,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:36:34,159 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:36:34,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:36:34,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:36:34,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:36:34,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:36:34,161 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2021-11-25 20:36:34,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:36:34,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:36:34,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:36:34,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:36:34,548 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:36:34,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-25 20:36:34,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/data/8ced58412/09ea594ef96743ca9c9fe9d1a1dd9fa1/FLAGe4cc00035 [2021-11-25 20:36:35,353 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:36:35,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-25 20:36:35,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/data/8ced58412/09ea594ef96743ca9c9fe9d1a1dd9fa1/FLAGe4cc00035 [2021-11-25 20:36:35,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/data/8ced58412/09ea594ef96743ca9c9fe9d1a1dd9fa1 [2021-11-25 20:36:35,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:36:35,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:36:35,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:36:35,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:36:35,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:36:35,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:36:35" (1/1) ... [2021-11-25 20:36:35,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2462d8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:35, skipping insertion in model container [2021-11-25 20:36:35,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:36:35" (1/1) ... [2021-11-25 20:36:35,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:36:35,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:36:36,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-25 20:36:36,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-25 20:36:36,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:36:36,225 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:36:36,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-25 20:36:36,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-25 20:36:36,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:36:36,451 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:36:36,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36 WrapperNode [2021-11-25 20:36:36,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:36:36,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:36:36,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:36:36,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:36:36,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,595 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 20:36:36,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:36:36,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:36:36,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:36:36,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:36:36,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:36:36,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:36:36,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:36:36,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:36:36,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (1/1) ... [2021-11-25 20:36:36,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:36:36,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:36,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:36:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:36:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:36:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:36:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:36:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:36:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:36:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:36:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 20:36:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 20:36:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:36:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:36:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:36:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:36:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:36:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:36:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:36:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:36:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:36:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:36:37,219 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:36:37,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:36:38,289 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:36:38,764 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:36:38,764 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 20:36:38,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:36:38 BoogieIcfgContainer [2021-11-25 20:36:38,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:36:38,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:36:38,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:36:38,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:36:38,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:36:35" (1/3) ... [2021-11-25 20:36:38,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd39256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:36:38, skipping insertion in model container [2021-11-25 20:36:38,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:36" (2/3) ... [2021-11-25 20:36:38,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd39256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:36:38, skipping insertion in model container [2021-11-25 20:36:38,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:36:38" (3/3) ... [2021-11-25 20:36:38,782 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-2.i [2021-11-25 20:36:38,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:36:38,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 20:36:38,865 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:36:38,879 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:36:38,879 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 20:36:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:36:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:36:38,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:38,909 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:36:38,910 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:38,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:38,917 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-25 20:36:38,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:38,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573114298] [2021-11-25 20:36:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:38,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:39,115 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:36:39,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524125059] [2021-11-25 20:36:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:39,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:39,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:39,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:36:39,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:36:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:39,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:36:39,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:36:39,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:36:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2021-11-25 20:36:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:36:39,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:36:39,661 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:39,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573114298] [2021-11-25 20:36:39,662 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:36:39,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524125059] [2021-11-25 20:36:39,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524125059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:39,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:39,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:36:39,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638436830] [2021-11-25 20:36:39,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:39,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:36:39,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:39,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:36:39,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:36:39,722 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:41,107 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-25 20:36:41,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:36:41,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-25 20:36:41,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:41,125 INFO L225 Difference]: With dead ends: 410 [2021-11-25 20:36:41,125 INFO L226 Difference]: Without dead ends: 217 [2021-11-25 20:36:41,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:36:41,135 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:41,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 20:36:41,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-25 20:36:41,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-25 20:36:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:36:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 20:36:41,210 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 20:36:41,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:41,211 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 20:36:41,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 20:36:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:36:41,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:41,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:36:41,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:36:41,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:41,417 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:41,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-25 20:36:41,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:41,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001717983] [2021-11-25 20:36:41,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:41,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:36:41,624 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:41,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001717983] [2021-11-25 20:36:41,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001717983] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:41,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:41,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:36:41,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660281224] [2021-11-25 20:36:41,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:41,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:36:41,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:41,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:36:41,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:36:41,633 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:43,915 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 20:36:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:36:43,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-25 20:36:43,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:43,921 INFO L225 Difference]: With dead ends: 297 [2021-11-25 20:36:43,922 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 20:36:43,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:36:43,925 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:43,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 20:36:43,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 20:36:43,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 20:36:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:36:43,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 20:36:43,952 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 20:36:43,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:43,953 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 20:36:43,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 20:36:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 20:36:43,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:43,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:36:43,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:36:43,956 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:43,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:43,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-25 20:36:43,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:43,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027246654] [2021-11-25 20:36:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:43,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:44,139 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:36:44,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1200029798] [2021-11-25 20:36:44,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:44,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:44,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:36:44,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:36:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:44,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:36:44,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:36:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:36:44,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:36:44,949 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:44,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027246654] [2021-11-25 20:36:44,950 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:36:44,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200029798] [2021-11-25 20:36:44,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200029798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:44,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:44,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:36:44,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333357709] [2021-11-25 20:36:44,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:44,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:36:44,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:44,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:36:44,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:36:44,953 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:47,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:47,296 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 20:36:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:36:47,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 20:36:47,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:47,305 INFO L225 Difference]: With dead ends: 247 [2021-11-25 20:36:47,306 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 20:36:47,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:36:47,308 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:47,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 20:36:47,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 20:36:47,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 20:36:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 20:36:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 20:36:47,335 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 20:36:47,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:47,335 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 20:36:47,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 20:36:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:36:47,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:47,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:36:47,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:36:47,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-25 20:36:47,553 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-25 20:36:47,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:47,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276728144] [2021-11-25 20:36:47,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:47,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:47,696 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:36:47,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638020486] [2021-11-25 20:36:47,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:47,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:47,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:47,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:36:47,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:36:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:48,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:36:48,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:36:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:36:48,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:36:48,553 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:48,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276728144] [2021-11-25 20:36:48,554 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:36:48,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638020486] [2021-11-25 20:36:48,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638020486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:48,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:48,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:36:48,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129357211] [2021-11-25 20:36:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:48,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:36:48,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:48,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:36:48,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:36:48,560 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:49,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:49,297 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 20:36:49,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:36:49,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 20:36:49,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:49,305 INFO L225 Difference]: With dead ends: 213 [2021-11-25 20:36:49,306 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 20:36:49,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:36:49,307 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:49,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 20:36:49,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 20:36:49,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 20:36:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 20:36:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 20:36:49,355 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 20:36:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:49,355 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 20:36:49,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:36:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 20:36:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 20:36:49,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:49,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:36:49,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:36:49,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:49,589 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:49,590 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-25 20:36:49,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:49,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385527615] [2021-11-25 20:36:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:49,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:49,682 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:36:49,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960611710] [2021-11-25 20:36:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:49,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:49,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:49,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:36:49,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:36:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:50,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:36:50,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:36:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:36:50,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:36:50,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:50,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385527615] [2021-11-25 20:36:50,584 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:36:50,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960611710] [2021-11-25 20:36:50,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960611710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:50,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:50,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:36:50,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66620800] [2021-11-25 20:36:50,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:50,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:36:50,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:50,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:36:50,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:36:50,587 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2021-11-25 20:36:51,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:51,626 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 20:36:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:36:51,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 39 [2021-11-25 20:36:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:51,630 INFO L225 Difference]: With dead ends: 432 [2021-11-25 20:36:51,631 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 20:36:51,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:36:51,635 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:51,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 20:36:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 20:36:51,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 20:36:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-25 20:36:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 20:36:51,663 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 20:36:51,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:51,664 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 20:36:51,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2021-11-25 20:36:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 20:36:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:36:51,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:51,668 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:36:51,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:36:51,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:51,897 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:51,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:51,897 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-25 20:36:51,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:51,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610246319] [2021-11-25 20:36:51,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:51,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:51,958 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:36:51,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443963887] [2021-11-25 20:36:51,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:51,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:51,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:51,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:36:51,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:36:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:52,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:36:52,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:36:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:36:52,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:36:52,710 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:52,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610246319] [2021-11-25 20:36:52,710 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:36:52,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443963887] [2021-11-25 20:36:52,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443963887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:52,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:52,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:36:52,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684548100] [2021-11-25 20:36:52,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:52,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:36:52,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:52,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:36:52,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:36:52,713 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:36:56,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:36:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:56,770 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 20:36:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:36:56,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-25 20:36:56,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:56,798 INFO L225 Difference]: With dead ends: 471 [2021-11-25 20:36:56,799 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 20:36:56,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:36:56,804 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:56,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-25 20:36:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 20:36:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 20:36:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-25 20:36:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 20:36:56,828 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 20:36:56,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:56,829 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 20:36:56,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:36:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 20:36:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 20:36:56,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:56,832 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:36:56,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:36:57,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:57,061 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:36:57,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-25 20:36:57,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:57,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146940510] [2021-11-25 20:36:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:57,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:57,135 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:36:57,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459643705] [2021-11-25 20:36:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:57,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:36:57,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:57,143 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:36:57,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551faeed-ff3c-4564-9c37-a4e96e04ebd4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:36:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:36:58,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:36:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:36:58,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:36:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:36:59,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:59,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146940510] [2021-11-25 20:36:59,086 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:36:59,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459643705] [2021-11-25 20:36:59,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459643705] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:36:59,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [66107627] [2021-11-25 20:36:59,115 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 20:36:59,115 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:36:59,120 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:36:59,125 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:36:59,125 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:36:59,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:36:59,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:36:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,244 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:36:59,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 20:36:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:36:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,288 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:36:59,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:36:59,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:36:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,384 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:36:59,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 20:36:59,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:36:59,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,456 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:36:59,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:36:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 20:36:59,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2021-11-25 20:36:59,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:36:59,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:36:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:59,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:37:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2021-11-25 20:37:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 20:37:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:37:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:37:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:37:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 20:37:00,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:37:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,407 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:37:00,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 20:37:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:37:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:37:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:37:00,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:37:00,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:37:00,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:37:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:37:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 20:37:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 20:37:00,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:37:00,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:37:00,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:37:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:37:00,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:37:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:00,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:37:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:37:01,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:37:01,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:01,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:37:09,107 WARN L227 SmtUtils]: Spent 7.81s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:37:09,108 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:37:09,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:37:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:21,409 WARN L227 SmtUtils]: Spent 12.14s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:37:21,410 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:37:21,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:37:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:22,197 INFO L244 Elim1Store]: Index analysis took 474 ms [2021-11-25 20:37:34,684 WARN L227 SmtUtils]: Spent 12.16s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:37:34,686 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:37:34,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:37:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:35,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:35,514 INFO L244 Elim1Store]: Index analysis took 308 ms [2021-11-25 20:37:37,299 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:37:37,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 20:37:37,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:37,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:37:38,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:38,527 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:37:38,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 20:37:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:38,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:37:38,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:37:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:39,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:37:39,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:39,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:39,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:39,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 20:37:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:39,735 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:37:39,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:37:39,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:39,953 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-25 20:37:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:40,611 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 20:37:40,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-25 20:37:40,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:40,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 20:37:41,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:41,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:41,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:41,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:41,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:41,909 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 20:37:41,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 20:37:42,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:42,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:42,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:42,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:42,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:42,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:42,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:42,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:37:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:42,962 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-25 20:37:44,955 INFO L354 Elim1Store]: treesize reduction 31, result has 98.3 percent of original size [2021-11-25 20:37:44,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3598 treesize of output 4945 [2021-11-25 20:37:46,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:46,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:46,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:46,591 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 20:37:46,713 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:37:46,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1274 treesize of output 876 [2021-11-25 20:37:46,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:46,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:46,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:46,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:46,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:47,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:47,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,180 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 20:37:47,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1274 treesize of output 824 [2021-11-25 20:37:47,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:47,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:47,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:47,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:47,737 INFO L244 Elim1Store]: Index analysis took 223 ms [2021-11-25 20:37:49,946 INFO L354 Elim1Store]: treesize reduction 507, result has 72.9 percent of original size [2021-11-25 20:37:49,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 2694 [2021-11-25 20:37:50,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:50,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:50,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:50,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:50,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:50,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:50,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:50,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:50,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:50,478 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 20:37:50,658 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:37:50,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1720 treesize of output 1516 [2021-11-25 20:37:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:51,975 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-25 20:37:52,458 INFO L354 Elim1Store]: treesize reduction 1671, result has 9.6 percent of original size [2021-11-25 20:37:52,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3586 treesize of output 3308 [2021-11-25 20:37:53,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,455 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-25 20:37:53,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 20:37:53,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:53,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:53,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:53,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:53,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:53,899 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-11-25 20:37:53,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1788 treesize of output 1326 [2021-11-25 20:37:53,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:54,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:54,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:54,911 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 20:37:54,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:37:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:55,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:55,381 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 20:37:55,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:37:55,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3589 treesize of output 3203 [2021-11-25 20:37:55,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:55,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:56,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:56,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:56,292 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 20:37:56,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:37:56,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1788 treesize of output 1378 [2021-11-25 20:37:56,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:56,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:57,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:57,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:57,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:37:57,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:57,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:57,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:37:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:57,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:57,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:57,585 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:37:57,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:37:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:37:59,281 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-25 20:38:03,502 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 20:38:03,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 102870 treesize of output 104008