./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/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_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/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_1cbd188c-5518-45ef-96ba-5eca145327dc/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 dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:19:56,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:19:56,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:19:56,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:19:56,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:19:56,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:19:56,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:19:56,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:19:56,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:19:56,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:19:56,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:19:56,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:19:56,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:19:56,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:19:56,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:19:56,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:19:56,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:19:56,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:19:56,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:19:56,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:19:56,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:19:56,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:19:56,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:19:56,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:19:56,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:19:56,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:19:56,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:19:56,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:19:56,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:19:56,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:19:56,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:19:56,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:19:56,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:19:56,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:19:56,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:19:56,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:19:56,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:19:56,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:19:56,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:19:56,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:19:56,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:19:56,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:19:56,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:19:56,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:19:56,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:19:56,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:19:56,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:19:56,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:19:56,283 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:19:56,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:19:56,283 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:19:56,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:19:56,285 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:19:56,285 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:19:56,285 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:19:56,285 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:19:56,286 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:19:56,286 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:19:56,286 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:19:56,286 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:19:56,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:19:56,288 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:19:56,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:19:56,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:19:56,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:19:56,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:19:56,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:19:56,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:19:56,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:19:56,291 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:19:56,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:19:56,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:19:56,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:19:56,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:19:56,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:19:56,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:19:56,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:19:56,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:19:56,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:19:56,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:19:56,294 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:19:56,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:19:56,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:19:56,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:19:56,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:19:56,296 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_1cbd188c-5518-45ef-96ba-5eca145327dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2021-11-25 20:19:56,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:19:56,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:19:56,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:19:56,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:19:56,613 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:19:56,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2021-11-25 20:19:56,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/data/1cf9ff730/a79535dc10b2461da2b256c002117204/FLAGee3d81e95 [2021-11-25 20:19:57,437 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:19:57,437 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2021-11-25 20:19:57,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/data/1cf9ff730/a79535dc10b2461da2b256c002117204/FLAGee3d81e95 [2021-11-25 20:19:57,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/data/1cf9ff730/a79535dc10b2461da2b256c002117204 [2021-11-25 20:19:57,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:19:57,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:19:57,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:19:57,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:19:57,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:19:57,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:19:57" (1/1) ... [2021-11-25 20:19:57,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cba6634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:57, skipping insertion in model container [2021-11-25 20:19:57,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:19:57" (1/1) ... [2021-11-25 20:19:57,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:19:57,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:19:58,297 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_1cbd188c-5518-45ef-96ba-5eca145327dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2021-11-25 20:19:58,514 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_1cbd188c-5518-45ef-96ba-5eca145327dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2021-11-25 20:19:58,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:19:58,553 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:19:58,598 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_1cbd188c-5518-45ef-96ba-5eca145327dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2021-11-25 20:19:58,676 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_1cbd188c-5518-45ef-96ba-5eca145327dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2021-11-25 20:19:58,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:19:58,733 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:19:58,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58 WrapperNode [2021-11-25 20:19:58,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:19:58,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:19:58,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:19:58,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:19:58,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:58,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:58,921 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 20:19:58,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:19:58,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:19:58,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:19:58,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:19:58,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:58,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:58,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:58,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:59,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:59,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:59,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:59,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:19:59,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:19:59,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:19:59,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:19:59,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (1/1) ... [2021-11-25 20:19:59,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:19:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:59,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:19:59,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:19:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:19:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:19:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:19:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:19:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:19:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:19:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 20:19:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 20:19:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:19:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:19:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:19:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:19:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:19:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:19:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:19:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:19:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:19:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:19:59,546 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:19:59,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:20:00,939 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:20:01,466 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:20:01,466 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 20:20:01,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:20:01 BoogieIcfgContainer [2021-11-25 20:20:01,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:20:01,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:20:01,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:20:01,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:20:01,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:19:57" (1/3) ... [2021-11-25 20:20:01,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afcf9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:20:01, skipping insertion in model container [2021-11-25 20:20:01,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:58" (2/3) ... [2021-11-25 20:20:01,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afcf9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:20:01, skipping insertion in model container [2021-11-25 20:20:01,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:20:01" (3/3) ... [2021-11-25 20:20:01,486 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i [2021-11-25 20:20:01,496 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:20:01,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 20:20:01,566 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:20:01,575 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 20:20:01,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 20:20:01,599 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 20:20:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:20:01,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:01,604 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:20:01,606 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 20:20:01,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:01,618 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-25 20:20:01,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:01,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390337194] [2021-11-25 20:20:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:01,800 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:20:01,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65584575] [2021-11-25 20:20:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:01,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:01,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:20:01,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:20:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:02,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:20:02,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:20:02,180 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 20:20:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:02,250 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 20:20:02,260 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 20:20:02,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:20:02,261 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:02,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390337194] [2021-11-25 20:20:02,261 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:02,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65584575] [2021-11-25 20:20:02,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65584575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:02,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:02,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:20:02,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779808475] [2021-11-25 20:20:02,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:02,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:20:02,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:02,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:20:02,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:20:02,308 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 20:20:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:03,775 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-25 20:20:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:20:03,779 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 20:20:03,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:03,794 INFO L225 Difference]: With dead ends: 410 [2021-11-25 20:20:03,795 INFO L226 Difference]: Without dead ends: 217 [2021-11-25 20:20:03,800 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 20:20:03,805 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:20:03,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 20:20:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-25 20:20:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-25 20:20:03,869 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 20:20:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 20:20:03,875 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 20:20:03,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:03,875 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 20:20:03,876 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 20:20:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 20:20:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:20:03,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:03,879 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 20:20:03,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 20:20:04,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:04,108 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 20:20:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:04,110 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-25 20:20:04,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:04,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750644332] [2021-11-25 20:20:04,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:04,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:04,244 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 20:20:04,244 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:04,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750644332] [2021-11-25 20:20:04,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750644332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:04,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:04,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:20:04,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823546015] [2021-11-25 20:20:04,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:04,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:20:04,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:04,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:20:04,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:20:04,248 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 20:20:06,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:06,423 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 20:20:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:20:06,424 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 20:20:06,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:06,427 INFO L225 Difference]: With dead ends: 297 [2021-11-25 20:20:06,427 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 20:20:06,428 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 20:20:06,430 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:20:06,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 20:20:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 20:20:06,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 20:20:06,449 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 20:20:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 20:20:06,452 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 20:20:06,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:06,452 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 20:20:06,452 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 20:20:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 20:20:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 20:20:06,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:06,454 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 20:20:06,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:20:06,455 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 20:20:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-25 20:20:06,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:06,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417471716] [2021-11-25 20:20:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:06,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:06,622 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:20:06,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256051564] [2021-11-25 20:20:06,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:06,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:06,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:20:06,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:20:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:07,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:20:07,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:20:07,512 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 20:20:07,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:20:07,513 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:07,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417471716] [2021-11-25 20:20:07,515 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:07,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256051564] [2021-11-25 20:20:07,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256051564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:07,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:07,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:20:07,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155699695] [2021-11-25 20:20:07,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:07,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:20:07,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:07,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:20:07,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:20:07,522 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 20:20:10,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:10,080 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 20:20:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:20:10,087 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 20:20:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:10,090 INFO L225 Difference]: With dead ends: 247 [2021-11-25 20:20:10,090 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 20:20:10,091 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 20:20:10,092 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:20:10,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 20:20:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 20:20:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 20:20:10,124 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 20:20:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 20:20:10,128 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 20:20:10,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:10,129 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 20:20:10,129 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 20:20:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 20:20:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:20:10,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:10,131 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 20:20:10,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 20:20:10,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-25 20:20:10,348 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 20:20:10,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:10,349 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-25 20:20:10,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:10,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604211288] [2021-11-25 20:20:10,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:10,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:10,477 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:20:10,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908769023] [2021-11-25 20:20:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:10,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:10,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:10,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:20:10,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:20:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:11,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:20:11,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:20:11,412 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 20:20:11,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:20:11,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:11,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604211288] [2021-11-25 20:20:11,413 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:11,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908769023] [2021-11-25 20:20:11,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908769023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:11,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:11,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:20:11,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609433652] [2021-11-25 20:20:11,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:11,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:20:11,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:11,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:20:11,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:20:11,417 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 20:20:12,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:12,313 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 20:20:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:20:12,323 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 20:20:12,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:12,326 INFO L225 Difference]: With dead ends: 213 [2021-11-25 20:20:12,326 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 20:20:12,327 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 20:20:12,328 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:20:12,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:20:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 20:20:12,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 20:20:12,364 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 20:20:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 20:20:12,368 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 20:20:12,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:12,368 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 20:20:12,369 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 20:20:12,369 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 20:20:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 20:20:12,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:12,371 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 20:20:12,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:20:12,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:12,588 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 20:20:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-25 20:20:12,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:12,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933320646] [2021-11-25 20:20:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:12,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:12,764 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:20:12,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677426118] [2021-11-25 20:20:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:12,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:12,772 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:20:12,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:20:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:13,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:20:13,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:20:13,846 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 20:20:13,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:20:13,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:13,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933320646] [2021-11-25 20:20:13,848 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:13,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677426118] [2021-11-25 20:20:13,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677426118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:13,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:13,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:20:13,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206827273] [2021-11-25 20:20:13,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:13,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:20:13,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:13,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:20:13,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:20:13,851 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 20:20:14,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:14,844 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 20:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:20:14,844 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 20:20:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:14,847 INFO L225 Difference]: With dead ends: 432 [2021-11-25 20:20:14,847 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 20:20:14,848 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 20:20:14,850 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 20:20:14,851 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 20:20:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 20:20:14,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 20:20:14,885 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 20:20:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 20:20:14,891 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 20:20:14,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:14,892 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 20:20:14,892 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 20:20:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 20:20:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:20:14,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:14,896 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 20:20:14,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:20:15,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:15,097 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 20:20:15,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-25 20:20:15,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:15,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121412606] [2021-11-25 20:20:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:15,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:15,160 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:20:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996745227] [2021-11-25 20:20:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:15,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:15,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:15,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:20:15,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:20:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:15,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:20:15,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:20:16,134 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 20:20:16,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:20:16,135 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:16,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121412606] [2021-11-25 20:20:16,136 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:16,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996745227] [2021-11-25 20:20:16,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996745227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:16,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:16,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:20:16,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158706321] [2021-11-25 20:20:16,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:16,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:20:16,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:16,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:20:16,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:20:16,140 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 20:20:20,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:20:20,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:20,252 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 20:20:20,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:20:20,276 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 20:20:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:20,279 INFO L225 Difference]: With dead ends: 471 [2021-11-25 20:20:20,279 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 20:20:20,281 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 20:20:20,282 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, 4.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:20:20,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-25 20:20:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 20:20:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 20:20:20,301 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 20:20:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 20:20:20,305 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 20:20:20,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:20,306 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 20:20:20,306 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 20:20:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 20:20:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 20:20:20,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:20,309 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 20:20:20,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 20:20:20,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:20,524 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 20:20:20,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:20,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-25 20:20:20,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:20,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328392469] [2021-11-25 20:20:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:20,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:20,589 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:20:20,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047126994] [2021-11-25 20:20:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:20,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:20:20,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:20,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:20:20,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd188c-5518-45ef-96ba-5eca145327dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:20:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:22,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:20:22,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:20:22,248 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 20:20:22,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:20:22,467 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 20:20:22,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:22,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328392469] [2021-11-25 20:20:22,468 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:22,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047126994] [2021-11-25 20:20:22,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047126994] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:20:22,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [868018803] [2021-11-25 20:20:22,493 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 20:20:22,497 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:20:22,501 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:20:22,507 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:20:22,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:20:22,621 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 20:20:22,627 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 20:20:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,654 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:20:22,654 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 20:20:22,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,673 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 20:20:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,711 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:20:22,712 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 20:20:22,766 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 20:20:22,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,817 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:20:22,818 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 20:20:22,836 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 20:20:22,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,884 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:20:22,885 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 20:20:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,911 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 20:20:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:22,989 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 20:20:23,005 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 20:20:23,015 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 20:20:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,382 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 20:20:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,425 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 20:20:23,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,452 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 20:20:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,519 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 20:20:23,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,584 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 20:20:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,614 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 20:20:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,684 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 20:20:23,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,768 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 20:20:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,871 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:20:23,871 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 20:20:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,895 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 20:20:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,950 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 20:20:23,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:23,986 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 20:20:24,120 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 20:20:24,128 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 20:20:24,134 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 20:20:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,166 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 20:20:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,186 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 20:20:24,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 20:20:24,228 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 20:20:24,237 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 20:20:24,244 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 20:20:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:20:24,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,364 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 20:20:24,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,398 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 20:20:24,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,564 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 20:20:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,598 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 20:20:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:24,624 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 20:20:31,563 WARN L227 SmtUtils]: Spent 6.76s 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 20:20:31,564 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:20:31,565 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 20:20:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:43,708 WARN L227 SmtUtils]: Spent 11.98s 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 20:20:43,709 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:20:43,709 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 20:20:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:44,612 INFO L244 Elim1Store]: Index analysis took 510 ms [2021-11-25 20:20:58,779 WARN L227 SmtUtils]: Spent 13.79s 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 20:20:58,781 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:20:58,782 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 20:20:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:59,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:59,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:59,515 INFO L244 Elim1Store]: Index analysis took 253 ms [2021-11-25 20:21:00,697 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:21:00,697 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 20:21:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:00,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:00,986 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 20:21:01,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:01,693 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:21:01,693 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 20:21:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:02,122 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:21:02,122 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 20:21:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:02,249 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 20:21:02,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:02,357 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:02,435 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 20:21:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:02,774 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:21:02,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:21:02,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:03,458 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 20:21:03,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 20:21:03,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:03,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:03,663 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 20:21:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:04,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:04,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:04,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:04,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:04,677 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-25 20:21:04,678 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 20:21:04,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:04,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:04,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:04,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:05,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:05,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:05,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,311 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-11-25 20:21:05,313 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 20:21:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:05,766 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-25 20:21:07,626 INFO L354 Elim1Store]: treesize reduction 31, result has 98.3 percent of original size [2021-11-25 20:21:07,627 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 20:21:09,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,309 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 20:21:09,401 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:21:09,401 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 20:21:09,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:09,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:09,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:09,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:09,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:09,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:09,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:09,932 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-25 20:21:09,934 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 20:21:09,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:10,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:10,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:10,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:10,580 INFO L244 Elim1Store]: Index analysis took 263 ms [2021-11-25 20:21:13,194 INFO L354 Elim1Store]: treesize reduction 507, result has 72.9 percent of original size [2021-11-25 20:21:13,195 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 20:21:13,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:13,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:13,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:13,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:13,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:13,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:13,705 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:21:13,706 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 20:21:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:14,703 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-25 20:21:15,207 INFO L354 Elim1Store]: treesize reduction 1671, result has 9.6 percent of original size [2021-11-25 20:21:15,208 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 20:21:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,169 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-25 20:21:16,172 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 20:21:16,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:16,568 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-25 20:21:16,570 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 20:21:16,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:16,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:17,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:17,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:17,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:17,596 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 20:21:17,598 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 20:21:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:18,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:18,099 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-25 20:21:18,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:21:18,271 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 20:21:18,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:18,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:18,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:18,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:18,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:18,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:19,047 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-25 20:21:19,201 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:21:19,202 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 20:21:19,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,472 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:19,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:21:20,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:20,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:21:20,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:20,469 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 20:21:20,489 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:21:20,489 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 20:21:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:22,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:22,425 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-25 20:21:28,807 WARN L227 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:21:28,807 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 20:21:28,808 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